Chiral N,P ligand 5 was examined for the asymmetric allylic alkylation of 1,3-diphenyl-2-propenyl acetate with up to 89% yield and up to 81.6% ee.

化合物5用于鈀催化的1免费视频在线观看4444，3-二苯基-2-烯丙基乙酸酯的不對(duì)稱烯丙基烷基化反應(yīng)久久网色，產(chǎn)率為89%ACG邪恶全彩邪恶帝绅士库韩国，對(duì)映體過量最高為81.6% ee国产一级婬片!A片AAA毛片男男?。

And then we found that ytterbium trifluoromethethanesulfonate is a powerful catalyst for the reaction of amine and ethyl acetate.

然后研究了三氟甲磺酸鐿催化的胺和乙酸乙酯的反應(yīng)无码毛片区免费毛片，從而合成了乙酰苯胺類化合物黄色一级免费播放。

Deuteration of anthracene using MoCl5 as a catalyst proceeded within 24 h at room temperature.

MoCl5催化的蒽的氫氘交換反應(yīng)在室溫下24小時(shí)完成。

The self-supported chiral catalysts as novel immobilization of homogeneous catalysts strategy demonstrated excellent enantioselectivities in heterogeneous catalysis of a variety of asymmetric reactions.

近年來天天狠天天天天透在线二区，手性自負(fù)載催化劑作為一種新的負(fù)載模式大黑吊性交，已經(jīng)成功地應(yīng)用于一些非均相催化的不對(duì)稱反應(yīng)中。

They were subjected to a 〓 reaction with sodium azide, hydrogenation, amidation,hydrolysis and Jones oxidation to afford 112 and 116, respectively.

它們分別經(jīng)過與疊氮化鈉的親核取代反應(yīng)、氫化www.久久@.Com、酰胺化欧美三级免费A片、N〓催化的水解，Jones氧化以后分別給出化合物112和116国内免费久久久久久久久久10。

Dozens of analogues with modification at benzene ring were synthesized by using a metal-catalysis coupling.

另外www.亚洲com.第四页，采用金屬催化的偶聯(lián)反應(yīng)我們合成了苯環(huán)區(qū)取代的一系列類似物。

Enzyme is a kind of biocatalyst which can catalyze chemical reaction with the most specific, the highest efficien...

酶是自然界中存在的一種最為專一久久久九九九一精品、效率最高免费A片男人的天堂久久精品免费、反應(yīng)最為迅速，并能在常溫下進(jìn)行催化的生物催化劑99视频免费看。

Enzyme is a kind of biocatalyst which can catalyze chemical reaction with the most specific, the highest efficiency and the fastest in natural world and which giveplay to action in the room temperature.

酶是自然界中存在的一種最為專一一毛不卡毛片免费网址、效率最高、反應(yīng)最為迅速国产三级黄片视频，并能在常溫下進(jìn)行催化的生物催化劑亚洲色婷婷啪啪一区二区。

Any of a group of enzymes that catalyze transamination.

它們對(duì)被它們催化的反應(yīng)有很強(qiáng)的專一性。

The optimal conditions were proved to be using5mo1% chiral ligands to catalyze the reaction at room temperature.

實(shí)驗(yàn)證明最佳反應(yīng)條件是使用5mo1％的手性配體于室溫下催化的反應(yīng)免费看在线a片。