A stereoselective route from a dihydro-1,2,4λ3-diazaphosphole to a λ3-phosphirane via a bismethylenephosphorane intermediate

A stereoselective route from a dihydro-1,2,4λ3-diazaphosphole to a λ3-phosphirane via a bismethylenephosphorane intermediate
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通过双亚甲基正膦中间体从二氢-1,2,4λ3-二氮杂磷烷到 λ3-正膦的立体选择性路线

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发表时间:
1983
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通讯作者:
W. Schoeller
W. Schoeller
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作者:
E. Niecke;Martina Leuer;D. Wildbredt;W. Schoeller

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二氢-1,2,4 λ3-二氮磷杂环戊烯(3)立体选择性地分解为双亚甲基正膦(4),然后通过完全由轨道对称性控制的途径进行同旋闭环形成λ3-磷杂环戊烯(6)。
The dihydro-1,2,4λ3-diazaphosphole (3) decomposes stereoselectively to the bismethylenephosphorane (4), which then undergoes conrotatory ring closure to the λ3-phosphirane (6), by a route controlled entirely by orbital symmetry.