Tetrahydrofuranopyridines of the formula (I) and (II) and their acid-addn. salts. R1 = H, F, Cl, Br, 1-4C alkyl, 1-2C hydroxy-alkyl, (1-2C alkoxy)-(1-2C alkyl), pyrrolidinylmethyl or (1-2C alkyl) aminomethyl R2 = H, OH, methoxy or ethoxy R3, R4 independently = H, F...
网络呋喃;四氢呋喃 网络释义
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trichlorido(3,3′-di-tert-butyl-2′-hydroxy-5,5′,6,6′-tetramethyl-1,1′-biphenyl-2-olato-κO2)(tetrahydrofuran-κO)... JMTY Young Kim - 《Acta Crystallographica》 被引量: 0发表: 2017年 Crystal structures of fac-tricarbonylchlorido(6,6′-dihy...
求翻译:tetra-hydrofuran analogf是什么意思?待解决 悬赏分:1 - 离问题结束还有 tetra-hydrofuran analogf问题补充:匿名 2013-05-23 12:26:38 利乐hydrofuran analogf热门同步练习册答案初中同步测控优化设计答案 长江作业本同步练习册答案 名校课堂助教型教辅答案 U计划学期系统复习答案 同步练习册课时练答案 ...
Tetra:hydro-furan prodn. by 1,4-butane-diol dehydration - using catalyst comprising ammonium bi:sulphite or precursor 来自 掌桥科研 喜欢 0 阅读量: 3 申请(专利)号: DE19803003995 申请日期: 1980-02-04 公开/公告号: DE3003995A1 公开/公告日期: 1980-11-06 申请(专利权)人: SOCIETA'...
Domino Michael–O-alkylation reaction: one-pot synthesis of 2,4-diacylhydrofuran derivatives and its application to antitumor naphthofuran synthesis The reaction of enolates of 1,3-dicarbonyl compounds with α-halo-α,β-unsaturated carbonyl compounds affords 2,4-diacyldihydrofuran derivatives in the...
2-(butoxymethyl)tetra-hydrofuran CAS 19114-88-6 WIKI information includes physical and chemical properties, USES, security data, NMR spectroscopy, computational chemical data and more.
英文别名:[(3S,5R)-5-(2,4-difluorophenyl)-5-(1,2,4-triazol-1-ylmethyl)tetra hydrofuran-3-yl]methyl 4-chlorobenzenesulfonate,2,5-Anhyd,D-threo-p,4-Chloro-benzenesulfonic acid 5-(2,4-difluoro-phenyl)-5-[1,2,4]triazol-1-ylmethyl-tetrahydro-furan-3-ylmethyl ester,(3S-cis)-4-Chlor...
2,5-Diphenyl-3-morpholinofuran (1) reacts with bromine and trifluoroacetic acid, giving respectively 2-bromo and 2-hydro furylium salts (2,3). The 2-hydroxy furylium bromide (4) was obtained by reaction of cis-morpholino-1,2-dibenzoylethylene (5) with hydrogen bromide. The nmr spectra ...