1) direct α-sulfanylation reaction
直接α-硫代反应
1.
The direct α-sulfanylation reaction of cyclohexanone catalyzed by organocatalyst proline hy-drazide was studied.
研究了脯氨酰肼有机小分子催化环己酮的直接α-硫代反应。
2) thionation
硫代反应
1.
The selective thionation of α acetylamino β [4(1,2 dihydro 2 oxoquinoline)]propionic acid and its ester with phosphorus pentasulfide as a thionation reagent yielded the target compound α acetylamino β [4(1,2 dihydro 2 thioquinoline)]propionate.
:α 乙酰氨基 β [4 (1,2 二氢 2 氧代喹啉 ) ]丙酸乙酯以五硫化二磷为硫化剂 ,经选择性硫代反应合成新化合物α 乙酰氨基 β [4 (1,2 二氢 2 硫代喹啉 ) ]丙酸乙酯 ,并使用IR、UV、NMR、GC/MS及元素分析对其结构进行了鉴
3) alpha-Chloro reaction
α-氯代反应
1.
In this paper, a new method, Gas Chromatography(GC)-Relative Density(RD) coupling method, was studied for alpha-Chloro reaction depth on-line monitoring.
在本文实验范围内得到以下主要结果和结论:利用气相色谱(GC)法测定α-CDA含量,同时利用相对密度(RD)法测定该样品对应的密度,耦合α-氯代十二酸含量与RD值在整个反应过程中的变化关系,建立起GC-RD耦合法控制十二酸的α-氯代反应深度。
4) direct reaction
直接反应
1.
Iodobenzene diacetate promoted direct reaction of ketone and phenol in water
二醋酸碘苯促进的水相中酮和酚的直接反应
2.
Direct reaction and indirect reaction carried out the ozone oxidization reaction of organic matter.
根据试验分析,有机物的臭氧化主要由直接反应(D反应)和间接反应(R反应)来完成。
3.
The prepared mechanism of Fe Matrix-TiC_p composite which worked in direct reaction were discussed in this paper.
分析了Fe基与Ti-C直接反应制备Fe-TiC_p复合材料工艺及复合强化的机制,初步优化了工艺参数。
5) α-bromoacetalization
α-溴代缩酮反应
6) direct aldol reaction
直接aldol反应
1.
Novel Small Organic Molecules Catalysts for Asymmetric Direct Aldol Reaction;
有机小分子催化的不对称直接Aldol反应
2.
Their catalytic performances were first evaluated in the asymmetric direct aldol reactions of acetone with electron-deficient aromatic aldehydes.
以N-苄氧羰基-(S)-脯氨酸和5-(1-氨基烷基)四氮唑(烷基:甲基、乙基、2-苯基乙基)为原料,经两步反应合成了3个新颖的有机催化剂:(S)-5-脯氨酰胺基甲基四氮唑(3a),(S,S)-5-(1-脯氨酰胺基乙基)四氮唑(3b)和(S,S)-5-(1-脯氨酰胺基-2-苯基乙基)四氮唑(3c),并首次将其用于催化丙酮和含吸电子基芳香醛的不对称直接aldol反应。
3.
Their catalytic performance in direct Aldol reaction was also examined as well.
考察了其不对称催化直接Aldol反应性能,构型匹配的催化剂得到相对较高的对映选择性。
补充资料:直接
不经过中间事物的。与“间接”相对:直接取用|直接关系。
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