1) Chiral quaternary carbon
手性季碳
2) all-carbon quaternary stereo center
手性季碳中心
1.
Asymmetric carbon-carbon bond cross-coupling reactions,especially the construction of all-carbon quaternary stereo center, are an important part of organic synthesis and still full of challenge.
不对称碳-碳键的合成反应,尤其是手性季碳中心的构建反应,是有机合成研究的一个重点和难点所在,对于有机合成的应用和发展具有重要意义。
3) chiral quaternary ammonium salt
手性季铵盐
1.
Synthesis of new type chiral quaternary ammonium salt-porphyrin compounds;
几种新型手性季铵盐-卟啉化合物的合成
2.
This article reviews the recent advances in the application of chiral quaternary ammonium salts as phase-transfer catalysts in asymmetric catalytic reactions, including the alkylation of active methylene group, the Michael addition reaction, the epoxidation of chalcones, the Darzens condensation, the synthesis of azacyclopropanes, the aldol condensation and the Horner-Wadsworth-Emmons reaction.
叙述了手性季铵盐类相转移催化剂在不对称催化反应 (包括活性亚甲基的烷基化、Michael加成、双键的环氧化、Darzens缩合、氮杂环丙烷的合成、羟醛缩合以及Horner Wadsworth Emmons反应 )中应用的新进展 。
3.
Chiral quaternary ammonium salts and chiral crown ethers were introduced as phase transfer catalysts, their applications in asymmetric addition, substitution, oxidation and reduction were also presented with 97 references.
综述了手性季铵盐和手性冠醚两类手性相转移催化剂及其在不对称催化反应（包括加成、取代、氧化及还原等反应）中的应用。
4) Chirality
['tʃirəliti]
手性碳
1.
The Identification of Chirality in Organic Structure;
有机分子中手性碳的计算机识别
5) quaternary carbon center
季碳
1.
The methods of asymmetric construction of quaternary carbon centers and its applications to the synthesis of natural products have been reviewed.
综述了季碳的不对称构筑法及其在天然产物全合成中的应用。
6) chiral diquaternary amm onium salts
手性双季铵盐
补充资料：手性碳原子
分子式：
CAS号：
性质：又称不对称碳原子（asymmetric carbon atom），即连有4个不同原子或基团的碳原子。如HC*FClBr（常以*标记手性碳原子）。
CAS号：
性质：又称不对称碳原子（asymmetric carbon atom），即连有4个不同原子或基团的碳原子。如HC*FClBr（常以*标记手性碳原子）。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条