巴豆基

基本解释 (translations)

crotyl

与巴豆基相关的网络例句 [注：此内容来源于网络，仅供参考]

Effects of Croton tiglium total alkaloids on cancer cell cytoplasm membrane fluidity and structure of the cytoplasmic matrix .

巴豆总生物碱对癌细胞质膜流动性及胞浆基质结构的影响。

A process for the carbonylation of allylic butenyl ether (for example, methyl crotyl ether, 3-methoxybutene-1 and mixtures thereof) or mixture of butadiene and alcohol and production of beta-gamma unsaturated carboxylic acid esters (for example, methyl-3-pentenoate) utilizing a rhodium-containing catalyst for example, dicarbonylacetylacetonate rhodium(I or the like promoted with an iodide-containing compound (for example, HI, AlI3, SnI4, TiI4, CrI3, and CoI2 or the like).

一种将烯丙型丁烯基醚(如甲基巴豆基醚、3－甲氧基丁烯－1及其混合物)或者丁二烯与醇的混合物羰基化的方法，以及由含碘化物化合物(如HI、AlI3、SnI4、TiI4、CrI3和CoI2或等效物)促进，用含铑催化剂如二羰基乙酰丙酮酸铑(I或其等效物制备β－γ不饱和羧酸酯(如甲基－3－戊烯酸酯)的方法。

Using o-nitrotoluene as an oxidant,the improved preparation of 7-chloroquinldine was studied by classical Skraup reaction of m-chloroaniline and crotonaldehyde.

研究了以邻硝基甲苯为氧化剂，间氯苯胺和巴豆醛通过经典的Skraup反应制备7-氯喹哪啶的改进方法。

Using o-nitrotoluene as an oxidant, the improved preparation of 7-chloroquinldine was studied by classical Skraup reaction of m-chloroaniline and crotonaldehyde.

研究了以邻硝基甲苯为氧化剂，间氯苯胺和巴豆醛通过经典的Skraup反应制备7-氯喹哪啶的改进方法。7-氯喹哪啶的收率为46.7%，质量分数99.2%；副产物为二氯喹哪啶，收率13.4%。

Firstly, 3-ethylthiobutanal was prepared from crotonaldehyde reacting with ethanehiol in triethylamine with high yield. Secondly, methyl acetoacetate was converted to 6-ethylthiohept-3-en-2-one by three steps via hydrolysis, condensation with 3-ethyltio-butanal and dehydration, then 6-ethylthiohept-3-en-2-one was cycloco ndensed with dimethyl malonate by Michael addition and Claisen condensation, followed by saponification and decarboxylation to give the intermediate of 5-(2-ethylthiopropyl)-cyclohexane-1,3-dione.

首先，以巴豆醛与乙硫醇为原料，在三乙胺的催化作用下高收率制得3-乙硫基丁醛；然后从乙酰乙酸甲酯出发，通过碱水解、与3-乙硫基丁醛缩合、脱水三步反应合成6-乙硫基-3-烯-2-庚酮，接着6-乙硫基-3-烯-2-庚酮与丙二酸二甲酯通过Michael加成和Claisen缩合成环，再通过皂化和脱羧反应生成中间体5-[2-丙基]-1，3-环己二酮；再与丙酸酐反应丙酰化，最后与0-3-氯-2-丙烯基羟胺肟化，得到目标化合物烯草酮。

Secondly, the reaction of crotyl bromide and carbonyl compounds promoted by dysprosium were studied. The γ-adduct of crotyl was mainly obtained in the reaction of ketone and ester. While the α-and γ-adduct mixture were obtained in the reaction of aldehyde.

其次，还研究了镝促进下巴豆基溴与羰基化合物的反应，酮和酯主要得到巴豆基γ-位进攻的产物，而醛则得到α与γ位进攻的混合产物。

It is found that the stereochemistry of the reactions of telluronium allylide,crotonylide and trimethylsilyallylide with α,β-unsaturated esters and amides can be tuned by thechoice of reaction conditions.

利用反应条件的变化首次实现了烯丙基、巴豆基、含硅烯丙基碲叶立德与α，β-不饱和酯、酰胺进行环丙烷反应的立体化学调控，能高立体选择性地、高效率地合成两种不同几何异构体中的一个。

Part Ⅱ: The evelopropanation reactions of both semi-stabilized telluronium and arsoniumylides with α,β--unsaturated ketones proceed smoothly.

第二部分：烯丙基、巴豆基、三甲基硅基烯丙基、肉桂基、苄基碲、胂两种叶立德与α，β-不饱和酮均可以成功地进行环丙烷化反应，并且表现出不同的立体选择性。

Young branches and inflorescences densely stellate-pubescent; leaves yellow-brown when dry, base with cupular glands.

浓密的幼枝和花序星状短柔毛；干燥时的叶黄褐色，基部具杯状腺体。 23 C。 laui 海南巴豆

Ovary and fruits glabrous; leaf blade papery, basal glands sessile and cupular.

子房和果无毛；叶片纸质，基部腺体无梗和杯状。 15 C。 chunianus 光果巴豆

与巴豆基相关的网络解释 [注：此内容来源于网络，仅供参考]

crotonaldehyde：巴豆醛

crotchseatofapairoftrousers 裆 | crotonaldehyde 巴豆醛 | crotonyl 巴豆酰基

inhibited crotonaldehyde：巴豆醛;已抑制丙基甲醛

已抑制;已稳定 inhibited | 巴豆醛;已抑制丙基甲醛 inhibited crotonaldehyde | 抑制剂 inhibitor

crotonyl：巴豆酰基

crotonaldehyde 巴豆醛 | crotonyl 巴豆酰基 | crotonylene 巴豆炔

crotonyl chloride：巴豆酰氯 丁烯酰氯

crotonosine | 巴豆素 | crotonyl chloride | 巴豆酰氯 丁烯酰氯 | crotyl bromide | 巴豆基溴

crotonoyl; crotonyl：巴豆酰基

伸苄基 cresylene | 巴豆酰基 crotonoyl; crotonyl | 亚巴豆基 crotonylidene

crotonylene：巴豆炔

crotonyl 巴豆酰基 | crotonylene 巴豆炔 | crouchsquatsquatontheheelsstay 蹲

crotyl：巴豆基

亚巴豆基 crotonylidene | 巴豆基 crotyl | 亚茴香基;对异丙亚苄基;[草(之上)+久]亚甲基 cumal; p-cuminylidene

crotyl bromide：巴豆基溴

巴豆炔 crotonylene | 巴豆基溴 crotyl bromide | 巴豆胺 crotylamine

crotyl halide：巴豆基卤

crotyl bromide | 巴豆基溴 | crotyl halide | 巴豆基卤 | crouch start | 蹲踞式起跑

cumal; p-cuminylidene：亚茴香基;对异丙亚苄基;[草(之上)+久]亚甲基

巴豆基 crotyl | 亚茴香基;对异丙亚苄基;[草(之上)+久]亚甲基 cumal; p-cuminylidene | [草(之上)+久]基;异丙苯基 cumenyl; isopropylphenyl