1) cinchona-derived quaternary ammonium salt
金鸡纳碱季铵盐
1.
A new catalyst system, SalenCoX/cinchona-derived quaternary ammonium salts, was developed to catalyze the cycloaddition of CO2 to epoxides under extremely mild reaction conditions.
开发了钴配合物/金鸡纳碱季铵盐催化剂体系用于催化CO2与环氧化合物的不对称环加成反应,考察了催化剂和助催化剂中阴离子对反应的影响。
2) mono-quaterized bis-cinchona alkaloid ligand
双金鸡纳生物碱单季铵盐配体
3) chinimetten
金鸡纳碱单盐酸盐
4) Cinchona alkaloid
金鸡纳碱
1.
The applications of cinchona alkaloids and parts of their derivatives in asymmetric synthesis were reviewed with 34 references.
综述了近年来金鸡纳碱及其部分衍生物在不对称合成中的应用。
2.
In our work,we changed the pore sizes of the nanoporous supports and introduce cinchona alkaloid in the nanopores.
本文通过调变介孔氧化硅材料载体的孔径尺寸构建了具有不同限域空间的多相金鸡纳碱手性催化剂。
5) Cinchona alkaloids
金鸡纳碱
1.
2) Some cinchona-derived quaternary ammonium salts were synthesized from cinchona alkaloids, which were used as cocatalyst combined SalenCo(OAc) to catalyze the coupling reaction of epoxide and carbon dioxide.
2)我们用金鸡纳碱合成了一系列的手性季铵盐,并首次用其作共催化剂与SalenCo(OAc)催化环碳酸酯的合成,其中以氯化-N-苄基辛可宁(la)为共催化剂,在室温下环丙烯碳酸酯的ee值达到73%。
6) heterocyclic quaternary salts
杂环碱类季铵盐
补充资料:金鸡纳碱
分子式:
分子量:
CAS号:
性质:见奎宁。
分子量:
CAS号:
性质:见奎宁。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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