Methoxycarbonyl-4-(4-methoxyphenyl )-6-methyl-3, 4-dihydropyrimidine-2(1H)-one was synthesized from anisaldehyde, methyl acetoactate and urea in presence of HF-1O1 strong acidic ion-exchange membrane.

在HF-101強酸性離子交換膜的存在下色综合热无码热国产，由對羥基苯甲醛、乙酰乙酸甲酯與脲一步合成了5－甲氧羰基－4－（4－甲氧苯基）－6－甲基－3，4－二氫嘧啶－2(1H)－酮欧美一级欧美三级欧。

The title compound (C21H15N5O) was obtained by the reaction of 3-methyl-1-phenyl-1H-pyrazol-5(4H)-one and 4-(2,2-dicyanovinyl)benzonitrile in water in the presence of TEBA and by recrystallization from EtOH(95%) and DMF.

水溶劑中，在三乙基芐基氯化銨存在下性色av夫妻生活片,一级a一级做，由3-甲基－1-苯基－1H-吡唑－5(4H)-酮和4-（291在线小视频，2-二氰基）苯基氰合成并經(jīng)N，N-二甲基甲酰胺與95%乙醇的混合溶劑重結(jié)晶得到化合物C21H15N5O的晶體日韩中文视频。

Ophenyl phenol,ophenyl phenol sodium salt tetrahydrate,7ADCA,2ethyl phenyl hydrazine hydrochloride,2,3dihydrofuran,7ethyl3(2hydroxy ethyl)indole,methyl ester of etodolac; 1,8diethyl1,3,4,9tetrahydropyrano[3.4b] indole1acetic acid methyl ester,5chloro2methoxy benzoic acid,4(2aminoethyl)benzene sulfonamide,5cyano phthalide,phthalhydrazide,9thioxanthenone,n[(1,4benzodioxane2yl)carboxyl]piperazine HCL,2chloro4amino6,7dimethoxyquinazoline,2chloro benzimidazole,1(4fluorobenzyl)2chlorobenzimidazole,2methylthio4pyrimidone,5amino4imidazole carboxamide HCL,6chloro2hexanone,11oxo6.11hydrodibenzothiepin,6,11dihydrodibenzooxepin11one,10,11dihydrodibenzocyclohepten5one;dibenzosuberone,dibenzo cyclohepten5one;dibenzosuberenone,3,5dihydroxy benzoic acid,3,5dihydroxy benzyl alcohol,2mercapto benzimidazole,3,4dihydroxy benzaldehyde,3,4dihydroxy benzonitrile,2amino5chloro benzonitrile,2(4chlorophenoxy)ethyl chloride,2(4chloro phenoxy)tert,butane,ditrimethylol propane;DTMP,2,2bis(4hydroxyphenyl)butane; bisphenol B,1,1'bis(4hydroxyphenyl)cyclohexane;bisphenol Z,tetrabromobisphenolS,3,5ditertbutyl salicylic acid,3,4,5trihydroxy benzoic acid stearyl ester,1,2,4trimethoxybenzene.

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Hydroxy-2-methyl-1-phenyl propan-1-one (1173) was a more effective photoinitiator to these monomers than that of benzophenone.

與二苯甲酮相比国产亚洲美女最新精品网站，2-羥基－2-甲基－1-苯基丙酮(1173)對兩種單體具有較好的引發(fā)效果。

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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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The famciclovir was synthesized from purine by a series of steps by Acylation, Decarboxylation, Reduction ,and so on; Derivatives of these intermediates is described from the 6-chloro- 9H- purin-2-amine as raw materials in different conditions when the iodine and bromide were synthesized with the addition of two intermediate 6-bromo-9H-purin-2-amine and 6-iodo-9H-purin-2-amine; There is elaborated from the main part of a acetophenone, urineaminohydrochloride, phenylhydrazine, ethyl acetoacetate as raw material through a series of reactions to synthetic 3-phenyl-4-formylphenyl pyrazole and 5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-aldehyde two pyrazole aldehyde, and then with 2-amino-6-chlorine-9-(2-methicillin-oxo-co-methyl-4-yl) purine reaction of the two new pyrazole purine Schiff bases.

本論文主是采用以鳥嘌呤為原料，經(jīng)過一系列的?021无码影片；擞攵宋颽级毛片，脫羧，還原等反應作用下最終得到了產(chǎn)物2-氨基-9-(4-乙酰氧基-3-乙酰氧基甲基丁基)嘌呤拍拍黄色网站；其中的中間體衍生物主要是闡述從以2-氨基-6-氯鳥嘌呤為原料通過在不同的條件下進行溴代與碘代分別合成了另外兩種中間體2-氨基-6-溴鳥嘌呤及2-氨基-6-碘鳥嘌呤欧美xxxxwwww；還有一部分主要是闡述從以苯乙酮，鹽酸氨基脲，苯肼三级电影网址，乙酰乙酸乙酯為原料通過一系列的反應先合成3-苯基-4-醛基吡唑及5-氯-3-甲基-1-苯基-1H-吡唑-4-甲醛這兩個吡唑醛男女猛烈无遮挡免费视频滚床，然后再與2-氨基-6-氯-9-(2-甲氧羰基丁酸甲酯-4-基)嘌呤反應得到了兩個新型的吡唑嘌呤席夫堿

In the first part, five new 4-acyl pyrazolone 4-ethyl-thiosemicarbazones compounds: 1-Phenyl-3-methyl-4-(4-bromo)benzal-pyrazol-5-one N(4)-ethyl-thiosemicarbazone (PM4Br BP-ETSC), 1-Phenyl-3-methyl-4-(4-methyl)benzal-pyrazol-5-one N(4)-ethyl-thiosemicarbaz -one (PM4MBP-ETSC), 1-Phenyl-3-methyl-4-benzal-pyrazol-5-one N(4)-ethyl-thiosemicarba -zone, 1,3-diphenyl-4-benzal-pyrazol-5-one N(4)-ethyl-thiosemicarbazone and 1-Phenyl-3-methyl-4-phenylacetyl-pyrazol-5-one N(4)-ethyl-thiosemi -carbazone have been synthesized and characterized by elemental analyses, IR, 1H NMR spectra and single-crystal XRD.

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A series of lanthanide complexes (Ln = Er, Nd, Yb) with infrared emission properties were designed and synthesized by using different anionic ligands [1 -phenyl-3-methyl-4-(4-tertbutylbenzoyl)-5-pyrazolone and l-phenyl-3-methyl-4--5-pyrazolone and 2-naphtoyl trifluoroacetone] and netural ligands (2,2-dipyridine, phenanthroline, triphenylphosphine oxide and water). Three crystal structures of these complexes were obtained and structure studied, and the properties of photoluminescence and fluorescent lifetime were studied in detail.

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methyl toluate：甲苯甲酸甲酯

硫氰酸甲酯 methyl thiocyanate; methyl thiocyanide | 甲苯甲酸甲酯 methyl toluate | 甲基甲苯基酮 methyl tolyl ketone

acetylbenzene：乙酰苯;苯乙酮;甲基苯基甲酮

acetylation 乙踉谙吖劭椿粕悠狄徽荆化 | acetylbenzene 乙酰苯;苯乙酮;甲基苯基甲酮 | acetylbenzoylperoxide 乙酰過氧化苯甲酰