In the acylation reaction between anisole with acetyl chloride, The catalyst of ZnCl〓/HY-98 prepared by MWI had the best catalytic activity and the selectivity of p-methoxy acetopheone. The catalytic active centers were ZnCl〓 dispersed in zeolite and the Bronsted acid sites in HY-98 zeolite itself.

在苯甲醚與乙酰氯的酰化反應(yīng)中一级黄色视频性交，微波固相法制備的ZnCl〓／Y催化劑有相對較好的催化活性和選擇性羞羞操电影视频，起催化作用的主要是分散在分子篩表面的ZnCl〓和分子篩本身的B酸。

Mainly engaged in: Hydrogen-imide hydrochloride, o-chlorophenyl cyclopentanone, 3.4 dimethoxy ethyl benzene, butyn single potassium acid, potassium ethyl malonyl, Ding amide, amide isobutyraldehyde , allyl chloroacetate, isopropyl chloroacetate Benzyl aluminum, cyclopentene, cyanide-o-chlorophenyl, o-methyl chloride, sulfuric acid chloride, p-chlorophenol, imidazole, Pinacolone, one chlorine Pinacolone.

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Enzymatic synthesis of cefaclor from 7\|aminodesacetoxymethyl\|3\|chlorocephalosporanic acid (7\|ACCA) and phenylglycine derivatives using penicillin G acylase was studied.

以7-氨基去乙酰氧甲基-3-氯頭孢烷酸(7-ACCA)和苯甘氨酸衍生物為底物，利用青霉素跖访懒叫砸磺化酶酶促合成頭孢克羅日韩欧美国产一。

Products: 3 - benzoyl-ethyl acrylate (97% min), acyl phosphorus acid methyl ester (98% min), P acyl three ethyl acetate (98% min), a phosphorus acid acyl The ethyl esters (98% min), 3 - bromine -1,3,4,5 - tetrahydrocannabinol -2 H-1-benzo-Aza Zhuo -2, 1 - naphthalene-tetrahydrocannabinol (98% min), 3,5 - dimethyl benzoyl chloride (99% min), 3,5 - dichloro benzoyl chloride (97% min), the ethyl benzoyl chloride (99% min), a TCA Ester (99.5% min), o-benzoyl methyl benzene (99% min), 4 - phenyl benzophenone (99% min): glacial acetic acid (99% min), methanol (99% min), liquid chlorine (99.5% min), caustic soda (30% min), isopropyl alcohol (99% min), anthranilic acid (99% min), dichloroethane (99% min ), Chunben (99% min), toluene 99% min

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Synthesis of Organic Pigmet Intermidiate N, N'- bisacetylaceto - 2 - methyl - 5 - chloro -1,4- Phenylenediamine

有機顏料中間體N欧美一区二区中出视频，N′-雙乙酰乙酰基2-甲基-5-氯代-1日韩乱子伦免费视频，4-苯二胺的合成

They are insoluble in water, ethanol, methanol, acetone, chloroform and benzene, but soluble in DMA, DMF and DMSO.

它們?nèi)苡贜女生小穴自慰网站，N-二甲基甲酰胺、N国产图片大全综合视频，N-二甲基乙酰胺和二甲基亞礬等溶劑女生被操出白浆视频，但不溶于水、乙醇、甲醇自慰网站、丙酮曰韩无码A片免费视频、氯仿和苯。

A plausible process of this reaction is as following: Aldehyde was in equilibrium with the enol form, aldehyde reacted with aniline catalyzed by 2,2,2-trichloroacetic acid to afford imine, the generated imine immediately reacted with enol to form intermediate via intramolecular cyclization.

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Thrombocytopenia: antineoplastic agents, sulfa drugs, streptomycin, isoniazid, estrogen, phenytoin, methyldopa, hydrochlorothiazide, acetyl salicylic acid, rifampicin, phenylbutazone, heparin, Kui Nitin, etc. can cause.

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With the promotion of Lewis acid,these aziridines were readily hydrolyzed to generateα-chloro-phenyl-acetamide.

在Lewis酸的存在下，產(chǎn)物很容易進(jìn)行水解反應(yīng)日韩男女你懂的在线观看，生成氯代的苯乙酰胺4444色视频在线。