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- The optical purity of cis _ R(+) _ and cis _ S(-) _ 2,2 _ dimethyl _ 3 _(2,2 _ dichlorovinyl)cyclopropanecarboxylic acid was 93.7% and 81.8%, respectively. 结果显示 ;顺式_R( +)_2;2_二甲基_3_(2 ;2_二氯乙烯基 )环丙烷羧酸光学纯度为93.;7%25;顺式_S( -)_2;2_二甲基_3_(2;2_二氯乙烯基 )环丙烷羧酸光学纯度为81
- Diacylhydrazine cyclopropane compounds were synthesized from cyclopropanecarboxylic acids which have comparable characters in the structures. 以结构上有可比性的环丙烷羧酸为原料,合成了环丙烷双酰肼化合物,结构经红外和核磁验证。
- Preparation of cyclopropanecarboxylic acid from Waster THF 从废四氢呋喃制备环丙基甲酸
- A New Synthetic Approach of Cyclopropanecarboxylic Acid 环丙烷甲酸的合成新工艺路线
- Synthesis of Cyclopropanecarboxylic Acid Isopropyl Ester 丙烷甲酸异丙酯的合成
- Article Name Asymmetric Synthesis of Optically Active 2 Ethyl 1 Amino cyclopropanecarboxylic Acid via Pianone Ketimine; 文献名称利用手性N-氰乙基-2-羟基蒎烷-3-酮亚胺合成光学活性2-乙基环丙烷氨基酸
- Keywords Hydroxypinan 3 one;1;4 Dichlorobut 2 ene;Chiral imine;Tandem reaction;2 Ethyl 1 amino cyclopropanecarboxylic acid; 关键词2-羟基蒎烷-3-酮;1`4-二氯-2-丁烯;手性亚胺;串联反应;2-乙基环丙烷氨基酸;
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- cyclopropanecarboxylic acid 环丙烷甲酸
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
