1) pregnane-3S
孕甾-3S
1.
In order to make rational utilization of tigogenin, the reaction of pregnane-3S,16S,20S-triol and HBr/HOAc was explored in detail, and a regioselective acetylation-bromination reaction of preg- nane-3S,16S,20S-triol was found during this exploration.
为合理利用剑麻皂甙元资源,系统地考察了孕甾-3S,16S,20S-三醇和溴化氢/乙酸溶液的反应,并且发现了孕甾-3S,16S,20S-三醇的区域选择性乙酰化溴代反应,从而为转化孕甾-3S,16S,20S-三醇成为16R-溴代孕甾-3S,20S-二醇二乙酸酯提供了一个有效方法。
2) pregn-16-ene-3S
孕甾-16-烯-3S
1.
The efficient synthesis of pregn-16-ene-3S,20S-diol diacetate and the restudy of its Pd-catalyzed reaction
孕甾-16-烯-3S,20S-二醇二乙酸酯的高效合成及其钯催化反应的再研究
2.
Some useful and controllable reaction results were obtained through such investigation, in which, 16R-bromopregnane-3S,20S-diol diacetate was chemo-selec-tively converted into pregn-16-ene-3S,20S-diol diacetate, 16R-bromopregnane-3S,20S-diol, preg-nane-3S,16S,20S-triol, pregne-14,16-dien-3S-ol acetate and androst-16-en-3S-ol respectively.
给出了选择性地分别转化16R-溴代孕甾-3S,20S-二醇二乙酸酯成为孕甾-16-烯-3S,20S-二醇二乙酸酯、16R-溴代孕甾-3S,20S-二醇、孕甾-3S,16S,20S-三醇、孕甾-14,16-二烯-3S-醇乙酸酯和雄甾-16-烯-3S-醇等化合物的可控性反应结果。
3) 16R-bromopregnane-3S
16R-溴代孕甾-3S
1.
The reaction of 16R-bromopregnane-3S,20S-diol diacetate with bases was investigated according to the demand of rationally utilizing steroidal sapogenins.
为了合理利用甾体皂甙元资源,系统地考察了16R-溴代孕甾-3S,20S-二醇二乙酸酯在不同反应条件下与碱的反应。
2.
16R-bromopregnane-3S, 20S-diol diacetate can been easily prepared in a large scale by the transformation of tigogenin obtained from the industrial waste.
<正>16R-溴代孕甾-3S,20S-二醇二乙酸酯可以方便地、大量地从我国制麻工业副产物剑麻皂甙元进行制备,如何利用其合成甾体药物和具有生物活性的天然甾体化合物对于合理利用剑麻皂甙元资
3.
The synthetic key step involved a new fragmentation reaction of 16R-bromopregnane-3S, 20S-diol recently found by us.
本文利用我们最近发现的16R-溴代孕甾-3S,20S-二醇的碎裂反应,从剑麻皂甙元降解产物—孕甾三醇出发
4) Pregnene
孕甾
1.
Synthesis and Spectral Analysis of Three Kinds of Epoxy Pregnene Derivatives;
三种环氧孕甾衍生物的合成和光谱特性研究
5) an-drost-16-en-3S-ol
雄甾-16-烯-3S-醇
6) pregnanetriol
孕甾三醇
1.
Based on the research of rational utilization of the abundant steroidal sapogenins, the efficient and terse synthesis of pregn-16-ene-3S, 20S-diol diacetate starting from pregnanetriol was developed.
在系统研究资源性化合物甾体皂甙元的反应及其应用的过程中,本论文发展了一条新的、高效简洁地将剑麻皂甙元降解产物孕甾三醇转化为孕甾-16-烯-3S, 20S-二醇二乙酸酯的合成方法,在此基础上主要包括以下两部分工作:1。
补充资料：(7α,17α)-7-(乙酰巯基)-17-羟基-3-氧代孕甾-4-烯-21-羧酸&gamma
CAS：52-01-7
分子式：C24H32O4S
分子质量：416.57
熔点：198-207℃
中文名称：螺内酯；安体舒通；螺旋内酯；(7α,17α)-7-(乙酰巯基)-17-羟基-3-氧代孕甾-4-烯-21-羧酸γ-内酯
英文名称：17-hydroxy-7-alpha-mercapto-3-oxo-17-alpha-pregn-4-ene-21-carboxylic acid gamma- lactone acetate
17-alpha-pregn-4-ene-21-carboxylic acid, 1-hydroxy-7-alpha-mercapto-3-oxo-alpha
17-hydroxy-7alpha-mercapto-3-oxo-17alpha-pregn-4-ene-21-carboxylic acid gamma-lactone, acetate
用途：利尿药。
分子式：C24H32O4S
分子质量：416.57
熔点：198-207℃
中文名称：螺内酯；安体舒通；螺旋内酯；(7α,17α)-7-(乙酰巯基)-17-羟基-3-氧代孕甾-4-烯-21-羧酸γ-内酯
英文名称：17-hydroxy-7-alpha-mercapto-3-oxo-17-alpha-pregn-4-ene-21-carboxylic acid gamma- lactone acetate
17-alpha-pregn-4-ene-21-carboxylic acid, 1-hydroxy-7-alpha-mercapto-3-oxo-alpha
17-hydroxy-7alpha-mercapto-3-oxo-17alpha-pregn-4-ene-21-carboxylic acid gamma-lactone, acetate
用途：利尿药。
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