生物医药大词典
英文: Progress of catalytic decarboxylation of from highly sour crude oil is reviewed, including hydrogenation, thermolysis and chemical reaction, and the application prospect of catalytic decarboxylation is introduced.
中文: 摘要介绍了高酸原油催化加氢脱酸法、催化热解脱酸法和催化化学反应脱酸法，展望了该工艺的应用前景。英文: Decarboxylase An enzyme that catalyzes the decarboxylation of carboxylic acids, including the conversion of amino acids to amines.
中文: 脱羧酶：能够催化羧酸进行脱羧反应的酶，包括氨基酸转化为胺的反应。英文: By means of hydrolyzation, partly decarboxylation, methyla-tion, acidification the intermediate product, 2,4,5-trifluoro-3-methoxyl benzoic acid can be got.
中文: 合成1-环丙基-6,7-二氟-8-甲氧基-1,4-二氢4-氧代喹啉-3-羧酸乙酯,以四氟邻苯二甲酸为起始原料,经水解、部分脱羧、甲基化、酸化得到中间体2,4,5-三氟-3-甲氧基苯甲酸,中间体再经酰氯化、缩合、脱羧、醚化、环丙胺置换,环合得本品,实验收率为37。英文: An one-pot process including direct condensation of ethyl isodehydracetate and hydrocitronellal,followed by decarboxylation, isomerization and isomer resolution, was developed for practical preparation of ZR juvenile hormone analogue series with high cont
中文: 以异脱氢乙酸乙酯与甲氧基香茅醛直接缩合为起点,将缩合、脱羧、异构化、(顺、反)异构体拆分等采用多步反应连续一锅法的操作方法,成功地得到高有效含量的ZR型保幼激素类似物。英文: Pazulfloxacin was synthesized by condensation of ethyl (S)-9,0-difluoro- -methyl-7-oxo-, -dihydro-pyrido[,, -de][,] benzoxazine--carboxylate with ethyl cyanoacetate, decarboxylation, cyclization, hydrolysis and Hoffman reaction in an overall yield of %.
中文: 以左氟沙星中间体 (S) - 9,0 -二氟 - -甲基 - 7-氧代 - , -二氢 - 7H-吡啶 [, , - de][,]苯并嗪 - -羧酸乙酯为原料 ,经与氰乙酸乙酯缩合、脱羧、环合、水解及 Hoffm an降解制得帕珠沙星 ,总收率 %。