Helvetica Chimica Acta p. 653 - 657 (1980)
Update date:2022-08-28
Topics:
Pfoertner, Karl-Heinz
Foricher, Joseph
A procedure for the synthesis of 3-methyl-4-phenylsydnone (1) is given.UV. irradiation of 1 in solution generates the nitrile-imine 4 which reacts with activated C,C double bonds and with heterocumulenes to give five-membered heterocycles.In contrast to the 2H-azirines which photochemically react with the C,O double bond of phenylisocyanate, 4 adds to the C,N double bond of the latter.
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Doi:10.1021/ja00070a001
(1993)Doi:10.1002/ejic.201100011
(2011)Doi:10.1134/S1070363217080199
()Doi:10.1016/S0040-4039(01)92990-9
(1977)Doi:10.1021/jo00167a059
(1983)Doi:10.1016/S0022-328X(00)85455-8
(1974)
