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CH3CN + LDA + cyclohexanone = ? LDA是一种碱,CN之间是triple-bond。网上应该都有。 我的结果是6个C的环。一个C连=O,旁边的一个C连-C-CN。结果却不对,求解。不好意思哈,还是不太明白你说的第3步...cyclohexanone便成cyclohexene了?ene or ane?还有H2C=C=N- N上面有2个long pair...而且是负的...
α, α-Difluoro-N, N-dihaloamines R CF2 NX2 are simply prepared from nitriles and halogens in the presence of stoichiometric amounts of HgF2, e.g. Sometimes also small amounts of the N-halo-imines (e.g. CF3CF NBr) are observed. These HgF2- assisted additions avoid halogenomono...
{[Ag42(CO3)(C[triple bond]CtBu)27(CH3CN)2][CoW12O40]2}[BF4]: an intercluster sandwich compound.cluster compoundsintercluster compoundspolyoxometalatessilversupramolecular chemistryThe Earl of Sandwich: The first intercluster sandwich compound was obtained from silver alkynyl clusters and [CoW12O40...
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î In fact, they seem to be about as opposite as two people can get. This animosity spells trouble for a student body that depends on their princesses to give them a warm, glowy feeling all year long. Can President Sakamoto and the ex-princesses convince Matsuoka and Izumi to bond for...
The carbon dioxide corrosion inhibitor comprises a compound containing triple-bond imidazoline, a non-ionic surfactant, and a solvent composed of alcohols with a low molecular weight. The corrosion inhibitor is used to protect oil well, gas well, and ground gathering pipelines in oil-gas field, ...
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Elemental Bond 元素联结:对某个元素的法术增加施法者等级并获得对应抗性 Energy Conversion 能量转换:转换法术元素类型 Mythic Bond 神话羁绊:加强游侠羁绊效果 Arcane Metamastery 奥术超魔熟稔:10轮内自动运用一个不超过2级的超魔 Greater Arcane Metamastery 高等奥术超魔熟稔:奥术超魔熟稔允许的超魔等级提升到4 背...
What is the IUPAC name of the 2-methyl-4-butanol? Identify the kind of carbonyl group in the given molecule (red = O, blue = N). Which of these species is an aromatic compound? A.C2H2 B.C5H10 C.C6H4Br2 D.C6H12 For a pair find the nucleophile: HC...