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- W1975784332 abstract "Preparation of a series of novel seven membered heterocyclic compounds, 3-alkyl-2,4-diisopropyl-1,2,4,5-tetrahydro-benzo[e][1,3,2] diazaphosphepine 3-sulfides / selenides ( 8a-l ) was accomplished in four steps. The synthetic route involves α,α ′ -dibromo- o -xylene ( 1 ) with two moles of isopropylamine ( 2 ) in the presence of triethylamine (TEA) in dry tetrahydrofuran (THF) at low temperature to form the compound 3 . This on treatment with phosphorus tribromide ( 4 ) in the presence of TEA in dry THF to form the corresponding phosphorobromodite ( 5 ). This on subsequent reaction with different Grignard reagents ( 6 ) in dry THF under N 2 atmosphere formed the compounds 7 . They are converted to the corresponding sulfides and selenides ( 8a-l ) by reacting them with sulfur and selenium respectively. Their structures were established by elemental analysis, IR, 1 H, 13 C, 31 P NMR and mass spectral data. All the title compounds were screened for their antibacterial activity. Most of the compounds exhibited significant antimicrobial activity." @default.
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- W1975784332 date "2008-01-01" @default.
- W1975784332 modified "2023-10-18" @default.
- W1975784332 title "Synthesis and Bioactivity of Some New 3-Alkyl-2,4-diisopropyl-1,2,4,5-tetrahydro-benzo[e][1,3,2]-diazaphosphepine 3-sulfides/selenides" @default.
- W1975784332 cites W184605302 @default.
- W1975784332 doi "https://doi.org/10.1155/2008/594036" @default.
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