1) C21 dicarboxylic acid
C21二元酸
1.
Linoleic acid is combined in C21 dicarboxylic acid after conjugation and Didels - Alder reaction with acrylic acid.
以棉籽油皂脚为原料,经皂化、酸解及蒸馏得到富含亚油酸的皂脚脂肪酸,亚油酸经共轭化后和丙烯酸发生Didels-Alder反应合成了C21二元酸,共轭反应用碘为催化剂,催化剂碘的用量为亚油酸质量的0。
2) C21 diacid
C21二酸
1.
Methyl ester of C21 diacid(TMAA) was synthesized from acrylic acid and methyl ester of tung oil fatty acids through Diels-Alder reaction.
然后用C21二元酸单甲酯和不同多元胺酰胺化制备了3种不同胺值的C21二酸聚酰胺环氧固化剂。
3) C 21 steroidal aglycones
C21甾甙元
4) C21 steroidal aglycone
C21甾苷元
1.
Using C21 steroidal aglycones(Caudatin steroidal aglycones and Kaider steroidal aglycones) extracted from Sanxia Cynanchum auriculatum as substrate,C11α-hydroxylated Cynanchum auriculatum C21 steroidal aglycones were prepared by Rhizopus nigricans and Aspergillus ochraceus.
以自三峡白首乌提取分离得到的C21甾苷元告达庭甾苷元和开德甾苷元作为底物,采用黑根霉(Rhizopus nigricans)和赭曲霉(Aspergillus ochraceus。
5) dicarboxylic acid
二元羧酸
1.
Aim To synthesize O acyl or S acyl amino acids by condensation of dicarboxylic acids and amino acids.
目的寻找能将氨基酸侧链的羟基、巯基与二元羧酸连接成酯的方法。
6) binary acid
二元酸
1.
Laboratory ex periment results show that the yields of adipic acid and binary acid come up t0 8% (wt) and 4% (wt) of BI wastewater respectivel
通过小试研究得出，已二酸和其他二元酸的收率分别约为BI废水的8％（wt）和4％（wt）。
补充资料：1,4,9(11),16-Pregnatetraene-21-ol-3,20-dione-21-acetate
分子式：暂无
分子量：暂无
CAS号：暂无
性质：暂无
制备方法：暂无
用途：激素类药。
分子量：暂无
CAS号：暂无
性质：暂无
制备方法：暂无
用途：激素类药。
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