Tetrahedron Letters p. 9263 - 9266 (1996)
Update date:2022-08-05
Topics:
Bergman, Jan
Bergman, Solveig
Nitration (HNO3/H2SO4) of oxindole gave 3,3,5,7-tetranitrooxindole (1c), which readily underwent ring-opening and decarboxylation to 4,6-dinitro-2-(dinitromethyl)aniline (4b), which in turn could be cyclized to 3,5,7-trinitroindazole (5).
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Doi:10.1021/jo01142a010
(1951)Doi:10.1016/S0040-4020(98)00243-9
(1998)Doi:10.1039/j39690000016
(1969)Doi:10.1021/bi00830a017
(1969)Doi:10.1021/jo00381a015
(1987)Doi:10.1007/BF01151462
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