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searching for Macrocycle 77 found (158 total)

alternate case: macrocycle

Cyclic peptide (989 words) [view diff] no match in snippet view article find links to article

Cyclic peptides are polypeptide chains which contain a circular sequence of bonds. This can be through a connection between the amino and carboxyl ends
Sports periodization (2,550 words) [view diff] exact match in snippet view article find links to article
time up into three types of cycles: microcycle, mesocycle, and macrocycle. A macrocycle refers to a season of training in its entirety. It is an annual
Inherent chirality (964 words) [view diff] exact match in snippet view article find links to article
this phenomenon by suggesting that if an inherently chiral calixarene macrocycle were opened up it would produce an "achiral linear molecule". There are
Chelatase (249 words) [view diff] exact match in snippet view article find links to article
tight fit of the metal into the rigid 18- or 17-membered tetrapyrrole macrocycle. Several families of chelatase are known including cobalt chelatase, magnesium
Bottromycin (3,272 words) [view diff] exact match in snippet view article find links to article
the macrocycle. In this study, it was proposed that the methylated proline residue contributed to the restricted conformation of the macrocycle. The
Boron porphyrins (1,804 words) [view diff] exact match in snippet view article find links to article
Boron porphyrins are a variety of porphyrin, a common macrocycle used for photosensitization and metal trapping applications, that incorporate boron. The
Red chlorophyll catabolite reductase (223 words) [view diff] exact match in snippet view article find links to article
(PaO) catalyse the key reaction of chlorophyll catabolism, porphyrin macrocycle cleavage of Pheide a to a primary fluorescent catabolite (pFCC). Wüthrich
Curtin–Hammett principle (3,757 words) [view diff] exact match in snippet view article find links to article
twisted 16-membered macrocycle. A key step in the syntheses is selective amide bond formation to produce the correct macrocycle. In Phil Baran's enantioselective
Ligand (3,307 words) [view diff] exact match in snippet view article find links to article
iron atom is at the centre of a porphyrin macrocycle, bound to four nitrogen atoms of the tetrapyrrole macrocycle. The very stable dimethylglyoximate complex
TMC-647055 (196 words) [view diff] exact match in snippet view article find links to article
HCV NS5b polymerase. Part II. Optimization of tetracyclic indole-based macrocycle leading to the discovery of TMC647055". Bioorganic & Medicinal Chemistry
Stevens rearrangement (718 words) [view diff] exact match in snippet view article find links to article
Kurti, Barbara Czako Academic Press (4 March, 2005) ISBN 0-12-429785-4 Macrocycle Ring Expansion by Double Stevens RearrangementKeisha K. Ellis-Holder,
Thiostrepton (1,491 words) [view diff] exact match in snippet view article find links to article
dehydropiperidine core (2), thiazoline macrocycle (3), bis-dehydroalanine tail (4), and quinaldic acid macrocycle (5). Then they assembled the building
Paal–Knorr synthesis (1,625 words) [view diff] exact match in snippet view article find links to article
prior to isolation. In 1982, H. Hart et al. reported a synthesis of a macrocycle containing fused furan rings using a Paal–Knorr furan synthesis. Refluxing
4+4 Photocycloaddition (917 words) [view diff] exact match in snippet view article find links to article
this reaction first forms fused rings, subsequent cleavages can afford macrocycles. In this partial synthesis of the BC rings of Taxol, the framework buildup
4+4 Photocycloaddition (917 words) [view diff] exact match in snippet view article find links to article
this reaction first forms fused rings, subsequent cleavages can afford macrocycles. In this partial synthesis of the BC rings of Taxol, the framework buildup
Ring-closing metathesis (4,704 words) [view diff] exact match in snippet view article find links to article
Siegfried Warwel and Hans Kaitker published a synthesis of symmetric macrocycles through a cross-metathesis dimerization of starting cycloolefins to afford
Stapled peptide (1,723 words) [view diff] exact match in snippet view article find links to article
covalent linkage between two amino acid side-chains, forming a peptide macrocycle. Staples, generally speaking, refer to a covalent linkage of two previously
Robinson–Gabriel synthesis (1,113 words) [view diff] exact match in snippet view article find links to article
PMID 15469287. Zhang, J; Ciufolini, M.A. (2011). "An Approach to the Bis-oxazole Macrocycle of Diazonamides". Org. Lett. 13 (3): 390–393. doi:10.1021/ol102678j. PMID 21174393
Alkyne metathesis (1,309 words) [view diff] exact match in snippet view article find links to article
Hyeon Mo Cho; Jeffrey S. Moore (2007). "Preparation of a Carbazole-Based Macrocycle via Precipitation-driven Alkyne Metathesis". Org. Synth. 84: 177. doi:10
Carbon nanotube chemistry (3,689 words) [view diff] exact match in snippet view article find links to article
nanotubes (SWNTs). In this strategy, the SWNTs are encapsulated by molecular macrocycle(s), which are either formed around them by macrocyclization, or pre-formed
Selenenic acid (761 words) [view diff] exact match in snippet view article find links to article
SeOH functional group within the cavity of a p-tert-butyl[calix[6]arene macrocycle]. X-ray crystallographic analysis revealed the Se-O bond length to be
Photodynamic therapy (9,553 words) [view diff] exact match in snippet view article find links to article
tetrapyrrolic molecules, with the heart of the skeleton a heterocyclic macrocycle, known as a porphine. The fundamental porphine frame consists of four
Molecular machine (5,826 words) [view diff] exact match in snippet view article find links to article
mechanically interlocked molecules derived from catenanes where a large macrocycle backbone connects at least three small rings in the shape of a necklace
Mycolactone (824 words) [view diff] exact match in snippet view article find links to article
Timothy L.; Wike, Candice L.; Burkart, Michael D. (2008). "The unusual macrocycle forming thioesterase of mycolactone". Molecular BioSystems. 4 (6): 663–671
Organomolybdenum chemistry (1,121 words) [view diff] exact match in snippet view article find links to article
Hyeon Mo Cho; Jeffrey S. Moore (2007). "Preparation of a Carbazole-Based Macrocycle via Precipitation-driven Alkyne Metathesis" (PDF). Org. Synth. 84: 177
Hydronium perchlorate (203 words) [view diff] exact match in snippet view article find links to article
as a chelating agent to sequester Cu(II): transmetallation of the macrocycle with copper(II) perchlorate yielded colorless crystals of hydronium perchlorate
Teixobactin (1,578 words) [view diff] exact match in snippet view article find links to article
"Selcia Scientists Elucidate Stereochemistry of Novel Antibacterial Macrocycle Teixobactin, Published in Nature". Essex, U.K.: Selcia. Retrieved 10 January
Insulin regulated aminopeptidase (3,679 words) [view diff] exact match in snippet view article find links to article
modifications on the AngIV-based inhibitors from Anderson et al led to optimized macrocycle HA08 (available crystal structure within IRAP, Figure 2) with excellent
Pseudomonas denitrificans (295 words) [view diff] exact match in snippet view article find links to article
Cameron, B.; Crouzet, J.; Blanche, F. (1993). "Biosynthesis of the corrin macrocycle of coenzyme B12 in Pseudomonas denitrificans". Journal of Bacteriology
Transmetalation (1,548 words) [view diff] exact match in snippet view article find links to article
carbonylative coupling of vinyl triflates with vinyl stannanes as the macrocycle-forming step". J. Am. Chem. Soc. 112 (23): 8465–8472. doi:10.1021/ja00179a035
Cyclic iron tetra N-heterocyclic carbenes (2,870 words) [view diff] exact match in snippet view article find links to article
in heme, cannot accept electrons from the iron center back towards the macrocycle. More electron density is donated to the iron center compared to heme
Liebeskind–Srogl coupling (1,399 words) [view diff] exact match in snippet view article find links to article
employing this reaction to construct the north eastern fragment of the macrocycle and the terpene chain. The Yu lab has demonstrated that in the presence
Wulff–Dötz reaction (1,503 words) [view diff] exact match in snippet view article find links to article
"Application of the Dötz Reaction to Construction of a Major Portion of the Ansa Macrocycle (−)-Kendomycin". Organic Letters. 7 (2): 235–238. doi:10.1021/ol047779s
Sue Gibson (chemist) (722 words) [view diff] exact match in snippet view article
ligand design, amino acid and peptide synthesis, medicinal chemistry, macrocycle synthesis, asymmetric induction, dendrimer construction, linker technology
Sandwich compound (1,590 words) [view diff] exact match in snippet view article find links to article
octahedral "carbon-wired" system shown below, which contains a planar C16B8 macrocycle. In these anti-bimetallic compounds, the metals are found to be bridged
Epothilone (2,166 words) [view diff] exact match in snippet view article find links to article
polyketide macrolactone with a methylthiazole group connected to the macrocycle by an olefinic bond. The polyketide backbone was synthesized by type I
Ipglycermides (948 words) [view diff] exact match in snippet view article find links to article
Ipglycermides are composed of 14 amino acids and contain an 8-membered macrocycle formed through a thioether bridge connecting the D-Tyr1 α-acetamide and
Kendomycin (333 words) [view diff] exact match in snippet view article find links to article
Synthesis of (−)-Kendomycin Featuring a Prins-Cyclization to Construct the Macrocycle". J. Am. Chem. Soc. 130 (13): 13177–81. doi:10.1021/ja805187p. PMC 2697922
Conotoxin (1,501 words) [view diff] exact match in snippet view article find links to article
disulfide-through-disulfide knot, in which the III-VI disulfide bond crosses the macrocycle formed by two other disulfide bonds (I-IV and II-V) and the interconnecting
Bioinorganic chemistry (2,371 words) [view diff] exact match in snippet view article find links to article
crystallographically by Dorothy Crowfoot Hodgkin to consist of a cobalt in a corrin macrocycle. Several distinct systems are of identifiable in bioinorganic chemistry
CAPS (buffer) (137 words) [view diff] exact match in snippet view article
L.; Cable, Morgan L.; Gray, Harry B.; Ponce, Adrian (2010). "Terbium-Macrocycle Complexes as Chemical Sensors: Detection of an Aspirin Metabolite in Urine
Mechanically interlocked molecular architectures (1,315 words) [view diff] exact match in snippet view article find links to article
Jobe, Kajally; Watkinson, Michael; Goldup, Stephen M. (2011-04-26). "Macrocycle Size Matters: "Small" Functionalized Rotaxanes in Excellent Yield Using
Methyl 2-bromoacetate (437 words) [view diff] exact match in snippet view article find links to article
selective colorimetric anion sensor based on an amide group containing macrocycle". Chemical Communications (20): 2450–2451. doi:10.1039/b207335h. PMID 12430485
Oxygen reduction reaction (1,225 words) [view diff] exact match in snippet view article find links to article
Miller, Jeffrey T.; Surendranath, Yogesh (2020-10-19). "A pyridinic Fe-N 4 macrocycle models the active sites in Fe/N-doped carbon electrocatalysts". Nature
Pheophorbide a oxygenase (399 words) [view diff] exact match in snippet view article find links to article
in chlorophyll breakdown in higher plants. Cleavage of pheophorbide a macrocycle by a monooxygenase". The Journal of Biological Chemistry. 273 (25): 15335–9
Plerixafor (1,685 words) [view diff] exact match in snippet view article find links to article
plerixafor is its zinc complex. Three of the four nitrogen atoms of the macrocycle cyclam... (1,4,8,11-tetraazacyclotetradecane) are protected with tosyl
Pinnatoxin (1,668 words) [view diff] exact match in snippet view article find links to article
Shu-zhen; Chen, Hai-sheng (January 1995). "Pinnatoxin A: a toxic amphoteric macrocycle from the Okinawan bivalve Pinna muricata". Journal of the American Chemical
Precorrin-6A synthase (deacetylating) (186 words) [view diff] exact match in snippet view article
Cameron B, Crouzet J, Blanche F (1993). "Biosynthesis of the corrin macrocycle of coenzyme B12 in Pseudomonas denitrificans". J. Bacteriol. 175 (22):
Humulene (1,748 words) [view diff] exact match in snippet view article find links to article
in the laboratory, involving differing closures of the C-C bond in the macrocycle. The McMurry synthesis uses a titanium-catalyzed carbonyl coupling reaction;
Ferrochelatase (2,090 words) [view diff] exact match in snippet view article find links to article
investigation. Many researchers have hypothesized distortion of the porphyrin macrocycle as key to catalysis. Researchers studying Bacillus subtilis ferrochelatase
Precorrin-2 C20-methyltransferase (264 words) [view diff] exact match in snippet view article find links to article
Cameron B, Crouzet J, Blanche F (1993). "Biosynthesis of the corrin macrocycle of coenzyme B12 in Pseudomonas denitrificans". J. Bacteriol. 175 (22):
B vitamins (2,803 words) [view diff] exact match in snippet view article find links to article
some amino acids, such as glycine. Heme B is the porphyrin derivative macrocycle molecule that holds the iron atom in place in hemoglobin, allowing for
Precorrin-3B synthase (262 words) [view diff] exact match in snippet view article find links to article
Cameron B, Crouzet J, Blanche F (1993). "Biosynthesis of the corrin macrocycle of coenzyme B12 in Pseudomonas denitrificans". J. Bacteriol. 175 (22):
Linaclotide (1,633 words) [view diff] exact match in snippet view article find links to article
price of linaclotide to around $414 in 2018. Oh SA (17 August 2011). "Macrocycle Milestone for Ironwood Pharma". The Haystack. Archived from the original
Transporter Classification Database (5,159 words) [view diff] exact match in snippet view article find links to article
51 The Protein Nanopore (ProNP) Family 1.D.52 The Aromatic Oligoamide Macrocycle Nanopore (OmnNP) Family 1.D.53 The alpha, gamma-Peptide Nanotube (a,gPepNT)
Lugdunin (755 words) [view diff] exact match in snippet view article find links to article
the carbonyl on the C-terminal L-valine residue, thus forming an imine macrocycle. The Schiff base formed in this reaction is then nucleophilically attacked
2,4-Dinitrophenol (3,735 words) [view diff] exact match in snippet view article find links to article
Nitrophenolic Explosives by Using Nanospheres of a Tetraphenylethylene Macrocycle Displaying Aggregation-Induced Emission". Chemistry - A European Journal
Atrop-abyssomicin C (849 words) [view diff] exact match in snippet view article find links to article
that was proposed to be the reactive center. Despite being a strained macrocycle, there exist an atropisomer, abyssomicin C. The atropisomerism arise due
Metalloprotein (5,335 words) [view diff] exact match in snippet view article find links to article
to iron (Fe) in hemoglobin. Additionally, chlorophyll has an extended isoprenoid tail and an additional aliphatic cyclic structure off the macrocycle.
Persistent radical effect (705 words) [view diff] exact match in snippet view article find links to article
selectivity in a free-radical reaction involving persistent .cntdot.CoII[macrocycle] and alkyl free radicals Brian E. Daikh and Richard G. Finke Journal of
Sagopilone (334 words) [view diff] exact match in snippet view article find links to article
derived from polyketides. Sagopilone is a 16-bond macrolide structure, a macrocycle with inner ester structure. With its C30H41NO6S  formula and a molecular
Zotiraciclib (619 words) [view diff] exact match in snippet view article find links to article
Singapore by S*BIO Pte Ltd and falls under the category of small molecule macrocycles. It crosses the blood brain barrier and acts by depleting Myc through
Sergii Putsov (747 words) [view diff] exact match in snippet view article find links to article
the training process of highly qualified weightlifters in the annual macrocycle". He is also certified in strength sports coaching and physical education
Tetrapyrazinoporphyrazine (3,463 words) [view diff] exact match in snippet view article find links to article
bands (also known as B-bands) and Q-bands, similar to their analogous macrocycles. These bands result from the extended aromatic π-conjugation, allowing
Stuart Rowan (813 words) [view diff] exact match in snippet view article find links to article
doubly-threaded architectures where two chains are threaded through one macrocycle. The new synthetic methodology utilizes metal-ligand coordination as the
Aza-Cope rearrangement (5,704 words) [view diff] exact match in snippet view article find links to article
iminium ions stay in close enough proximity to undergo Mannich cyclization. Macrocycle synthesis has not been reported using this reaction, due to the lack of
Cyclol (6,373 words) [view diff] exact match in snippet view article find links to article
configuration effect and the transannular intrinsic rates in bislactam macrocycles". Journal of the Chemical Society, Perkin Transactions 2. 2002 (12):
Rifaquizinone (253 words) [view diff] exact match in snippet view article find links to article
and skin structure infections. Cefilavancin Surur AS, Sun D (2021). "Macrocycle-Antibiotic Hybrids: A Path to Clinical Candidates". Frontiers in Chemistry
Molecular switch (4,652 words) [view diff] exact match in snippet view article find links to article
architectures where the bistable states differ in the position of the macrocycle. These systems enable dynamic and reversible switching between different
Peucemycin (448 words) [view diff] exact match in snippet view article find links to article
terminal thioesterase domain in Module 7 catalyzes the product release and macrocycle formation to form peucemycin. Pham, Van Thuy Thi; Nguyen, Hue Thi; Nguyen
Cytochalasin B (3,972 words) [view diff] exact match in snippet view article find links to article
an intermolecular Diels-Alder reaction and in a second step append the macrocycle in a stepwise fashion. Cytochalasin B contains several highly polar keto-
Kinetic isotope effect (14,026 words) [view diff] exact match in snippet view article find links to article
smaller effective size, allows easier passage of the stoppers through the macrocycle, resulting in faster deslipping for the deuterated rotaxanes. Reactions
Naturally occurring phenols (7,684 words) [view diff] exact match in snippet view article find links to article
An example of such molecules is catechin. Cavicularin is an unusual macrocycle because it was the first compound isolated from nature displaying optical
Cefilavancin (383 words) [view diff] exact match in snippet view article find links to article
1099/mic.0.001387. PMC 10569064. PMID 37656158. Surur AS, Sun D (2021). "Macrocycle-Antibiotic Hybrids: A Path to Clinical Candidates". Frontiers in Chemistry
Erythronolide synthase (2,979 words) [view diff] exact match in snippet view article find links to article
Chen JC, Foster PG, et al. (December 2001). "Crystal structure of the macrocycle-forming thioesterase domain of the erythromycin polyketide synthase: versatility
Vitamin B12 total synthesis (7,466 words) [view diff] exact match in snippet view article find links to article
vitamin B12.: 1563  At Harvard, it was shown that the closure to the corrin macrocycle could also be realized by the method of thioiminoester/enamine condensation
Vibrational spectroscopic map (3,065 words) [view diff] exact match in snippet view article find links to article
Vibrational Couplings Revealed by 2D IR Spectroscopy of an Isotopically Labeled Macrocycle: Quantitative Benchmark for the Interpretation of Amyloid and Protein