Chemistry of Heterocyclic Compounds p. 89 - 95 (1981)
Update date:2022-09-26
Topics:
Tikhonov
Volodarskii
Vakolova
Podgornaya
The nitrosation of 2,4,6-trimethylpyrimidine 1,3-dioxide and the bromination of 2,4,6-trimethyl- and 2-ethyl-4,6-dimethylpyrimidine 1,3-dioxides take place primarily at the methyl groups in the 4 and 6 positions of the heteroring. In the reaction of 2,4,6-trimethylpyrimidine 1,3-dioxide with phosphorus oxychloride chlorine is incorporated in the methyl group in the 2 position of the heteroring, while in the reaction with acetic anhydride an acetoxy group is incorporated in the methyl group in the 2 position and in the 5 position of the heteroring, whereas in the case of tosyl chloride a tosyloxy group is incorporated in the 5 position of the heteroring.
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Doi:10.1021/ja02218a013
(1911)Doi:10.1021/ma049114b
(2004)Doi:10.1016/S0040-4039(00)74673-9
(1992)Doi:10.1016/S0008-6215(00)85932-7
(1981)Doi:10.1016/S0040-4039(01)00395-1
(2001)Doi:10.1080/00397910701411044
(2007)