Synthesis of Dinaphtho-dioxaphosphep

Synthesis of Dinaphtho-dioxaphosphepin-4-oxides, Epoxides and Bisphosphonates

A few new seven-membered phosphorus heterocyclic compounds and bis-phosphonates (5a-5g, 5f, 5g', 9 and 10) were prepared by the reaction of 4-bromo dioxaphosphepin (2) with various Grignard reagents followed by their oxidation with H2O2. All the compounds were thoroughly characterized by elemental analysis, IR, 1H, 13C, 31PNMR and mass spectral data. Their antimicrobial activity was evaluated and some of them possess significant activity.

作 者： KASTHURIAH Maddali UMA RAVI SANKAR Arigala SIVA KUMAR Bitragunta SURESH REDDY Cirandur NAGA RAJU Chamarthi   作者单位： Department of Chemistry,Sri Venkateshwara University,Tirupathi-517502,India  刊 名： 中国化学（英文版）  SCI 英文刊名： CHINESE JOURNAL OF CHEMISTRY  年，卷(期)： 2009 27(2)  分类号： O6  关键词： 1,1'-binaphthyl-2,2'-diol,4-bromo-dinaphtho[2,1-d: 1',2'-f] [1,3,2]dioxaphosphepine 4-oxide,methyle-nebis[dinaphtho-dioxaphosphepin 4-oxide],antimicrobial activity  

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