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searching for 12-Crown-4 12 found (23 total)

Carbanion (3,430 words) [view diff] case mismatch in snippet view article find links to article

in THF at low temperatures followed by 12-crown-4 results in a red solution and the salt complex [Li(12-crown-4)]+[CPh3]− precipitates at −20 °C. The central

Counterion (692 words) [view diff] case mismatch in snippet view article find links to article

crown ethers are common lipophilic countercations, as illustrated by [Li(12-crown-4)2]+. Many cationic organometallic complexes are isolated with inert, noncoordinating

Uranium nitrides (1,590 words) [view diff] case mismatch in snippet view article find links to article

[Na(12-crown-4)2] [N≡U−N(CH2CH2Ntips)3]

Cyclen (438 words) [view diff] case mismatch in snippet view article find links to article

Preferred IUPAC name 1,4,7,10-Tetrazacyclododecane Other names Tetraaza-12-crown-4 Identifiers CAS Number 294-90-6 Y 3D model (JSmol) Interactive image Interactive

15-Crown-5 (613 words) [view diff] case mismatch in snippet view article find links to article

Chauncey W.; Speck, Don H.; Liotta, Charles L. (1974). "Facile syntheses of 12-crown-4 and 15-crown-5". Tetrahedron Letters. 15 (46): 4029–4032. doi:10

Organoberyllium chemistry (2,481 words) [view diff] no match in snippet view article find links to article

"Diphenylberyllium Reinvestigated: Structure, Properties, and Reactivity of BePh2, [(12‐crown‐4)BePh]+, and [BePh3]−". Chemistry: A European Journal. 26 (44): 9915–9922

Kick IIIII (560 words) [view diff] no match in snippet view article find links to article

3:44 9. "Músculos" (transl. Muscles) 5:21 10. "La Infinita" (transl. The Infinite One) 4:49 11. "Fireprayer" 3:54 12. "Crown" 4:37 Total length: 41:43

Host–guest chemistry (5,972 words) [view diff] case mismatch in snippet view article find links to article

are well known for their ability to bind metallic ions. For example, 12-crown-4, 15-crown-5, 18-crown-6, 21-crown-7, and 24-crown-8 interact with potassium

Marilyn Olmstead (1,156 words) [view diff] case mismatch in snippet view article find links to article

characterization of a boron-centered radical: x-ray crystal structure of [Li(12-crown-4)2]+ [BMes3]-.bul". Journal of the American Chemical Society. 108 (14):

Vincent L. Pecoraro (2,736 words) [view diff] case mismatch in snippet view article find links to article

droximate)]4(acetate)2(DMF)6}.cntdot.2DMF: an inorganic analog of M2+(12-crown-4)". Journal of the American Chemical Society. 111 (18): 7258–7259. doi:10

Germyl (1,839 words) [view diff] no match in snippet view article find links to article

555.23 tetrahedral I4 a=12.685 c=16.985 Z=4 2733.0 1.349 colourless K([12]crown-4)2GeH3 467.13 monoclinic C2/c a=40.7694 b=6.623 c=29.6746 β=97.450 Z=16

Group 13/15 multiple bonds (3,100 words) [view diff] case mismatch in snippet view article find links to article

characterization of the phosphinidene borate complexes [Li(Et2O)2PRB(Mes)2] and [Li(12-crown-4)2][RPB(Mes)2].cntdot.THF [R = Ph, C6H11 or Mes (Mes = 2,4,6-Me3C6H2)]: