asymmetric benzoin condensation

This paper is intended to delineate spectacular achievements that have been made in the area of catalysis using N-heterocyclic carbenes for the asymmetric benzoin condensation in the past ten year模拟硫胺素辅酶的卡宾立体选择性催化剂是化学家的研究热点,对近十年来手性N-杂环卡宾在对映选择性偶姻缩合中的应用进展进行研究。bVa汉语字典

The α-hydroxyketone (acyloin) flavoring series by the use of coenzyme vitamin B_1 ascatalyst in the non-aqueous system are prepared in high yields.用辅酶VB_1做催化剂,在非水体系中合成了α-羟基酮(偶姻)系列香料7种,产率较高。bVa汉语字典

1,2-Cyclododecandione(4) was synthesized from dodecanedioic acid via esterification,acyloin condensation,oxidation in an overall yield of 43.化合物2经偶联缩合得1,2-二三甲基硅氧基环十二烯(3),收率为63。bVa汉语字典

Synthesis of furoin using VB_1 as catalyst;VB_1催化糠偶姻缩合的研究bVa汉语字典

Research on Enantioselective Benzoin Condensations Using N-heterocyclic Carbenes;手性N-杂环卡宾催化不对称偶姻缩合研究进展bVa汉语字典

Synthesis of a Novel Chiral Imidazolium Salt, Preparation of Imidazolium Based Ionic Liquids and Their Application in Catalytic Benzoin Condensations;新型手性咪唑鎓盐的合成和咪唑鎓盐离子液体的制备及催化苯偶姻缩合反应bVa汉语字典

A Novel Synthesis of Benzoin Catalyzed by Thiazolium Salts苯甲醛安息香缩合反应催化合成苯偶姻新方法bVa汉语字典

Synthesis of Benzoin Acetate with Anhydrous Potassiuim Carbonate as Catalyst无水K_2CO_3催化合成苯偶姻乙酸酯bVa汉语字典

Study on synthesizing the arylacyloin by using Vatimin B1 injection as the catalyst;维生素B_1注射液催化合成芳偶姻的研究bVa汉语字典

benzoin acetate苯偶姻乙酸酯，乙酰苯偶姻bVa汉语字典

"In no way has gay marriage lent legitimacy to polygamy.“无论从哪个角度来讲，同性婚姻都不会给多配偶制带来合法性。bVa汉语字典

Synthesis of the Precursor of Acyloin Derivatives of Ferrocene--2-Ferrocenyl-2-(Aryl Hydroxymethyl)-1,3-Dithiane二茂铁偶姻衍生物前体——2-二茂铁基-2-(芳基羟甲基)-1,3-二噻烷的合成bVa汉语字典

Studies on the Suzuki Coupling Reactions and Condensation Reactions in Green Media.;绿色介质中Suzuki偶联反应和缩合反应的研究bVa汉语字典

Study on Sythesis of Polyhedral Oligomeric Silsesquioxane by Hydrolyzation of Silicon Coupling;硅烷偶联剂水解缩合制备低聚倍半硅氧烷bVa汉语字典

Synthesis of Bisphenol-A Polyarylester with Azobenzene Group by Interfaclal Polycondensation;界面缩聚合成含偶氮基团的双酚A聚芳酯bVa汉语字典

Synthesis and Biological Activities of Fluoreneazo-Salicylaldehyde Thiosemicarbazone Derivatives芴偶氮基水杨醛缩氨基芳基硫脲合成及生物活性bVa汉语字典

Dipole squeezing of a Λ-type three-level atom interacting with two-mode entangled coherent field双模纠缠相干光场与Λ型原子耦合系统中原子的偶极压缩效应bVa汉语字典

Make one of the partners in a marriage stop loving the other使婚姻中的一个伴侣停止爱其配偶bVa汉语字典

Make one of the partner in a marriage stop loving the other.使婚姻中的一个伴侣停止爱其配偶。bVa汉语字典

double coupling method双偶联法，双偶合法bVa汉语字典

coupled reaction偶联反应，偶合反应bVa汉语字典

Pride and Prejudice --An Epitome of Jane Austen s Views of Marriage;《傲慢与偏见》——简·奥斯丁婚姻观的缩影bVa汉语字典