Tetrahedron Letters p. 4507 - 4508 (1997)
Update date:2022-07-29
Topics:
Harger, Martin J. P.
Because the N- and O-phosphinoyl groups can change places prior to rearrangement, Ph2P(O)NHOP(O)Ar2 and Ar2P(O)NHOP(O)Ph2 (Ar = p-tolyl) both give mixtures of two phosphonamidic-phosphimic anhydrides, Ph(PhNH)P(O)OP(O)Ar2 and Ar(ArNH)P(O)OP(O)Ph2, on treatment with KOBu(t) in Bu(t)OH. The transposition of the phosphinoyl groups may involve phosphorane intermediates (7 and 9) having the P atom contained within a three-membered ring.
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Doi:10.1002/hlca.19970800514
(1997)Doi:10.1016/S0040-4020(97)00869-7
(1997)Doi:10.1246/bcsj.70.2193
(1997)Doi:10.1039/c5cc09347c
(2016)Doi:10.1016/S0957-4166(97)00341-8
(1997)Doi:10.1039/a701079f
(1997)
