Tetrahedron p. 5525 - 5528 (1985)
Update date:2022-08-04
Topics: Synthesis Isocyanate Characterization Catalyst Nucleophilic substitution Alkyl Purification Diazene
Schantl, Joachim G.
Gstach, Hubert
Hebeisen, Paul
Lanznaster, Norbert
The conversion of aliphatic ketazines 1 with cyanic acid into the "criss cross" cycloadducts, the triazolo-triazole-diones 2, followed by oxidative ring opening provides an efficient synthetic route to the title compounds 4.
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Doi:10.1021/ja051406k
(2005)Doi:10.1021/acs.orglett.5b02270
(2015)Doi:10.1021/acs.orglett.9b00414
(2019)Doi:10.1039/c6nj03964b
(2017)Doi:10.1021/jo01181a015
(1945)Doi:10.1016/S0040-4039(00)75100-8
(1975)
