One-pot synthesis of triphenylphosphine oxide derivatives
Publish place: The Regional Chemistry Conference
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
MIAUCHEMISTRY01_012
تاریخ نمایه سازی: 18 اسفند 1397
Abstract:
Protonation of the highly reactive 1:1 intermediates (3), produced in the reaction between tri(o-tolyl)phosphine (1) and alkyl acetylenecarboxylates (2) by water leads to vinyltriphenylphophonium salts (4), which undergo coupling reaction with conjugate base to produce corresponding pentavalent phosphorus intermediates (5). The pentavalent phosphorus intermediates (5) are unstable and fragment to tri(o-tolyl)phosphine oxide (6) and alkenes (7) under reaction conditions.
Authors
Ali Reza Moradi
Chemistry Department, Payame Noor University, Abhar,, Iran