Journal of the Chemical Society. Perkin transactions I p. 1427 - 1430 (1980)
Update date:2022-08-02
Topics:
Busby, Reginald E.
Khan, Mohammad A.
Khan, Mohammad R.
Parrick, John
Shaw, C. J. Granville
Iqbal, Mohammad
1-Unsubstituted imidazoles and chloroform at 550 deg C in a flow system give mainly 5-chloropyrimidines, together with 4-chloropyrimidines and chloropyrazines.The effects of methyl substituents on the ratio of products is considered.The liquid-phase reactions of 2-methyl- and 2,4,5-trimethyl-imidazole under conditions in which dichlorocarbene is said to be formed in basic or neutral conditions were studied, and compared with the gas-phase reactions with chloroform.
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Doi:10.1248/bpb.19.311
(1996)Doi:10.1246/cl.1980.853
(1980)Doi:10.1021/jo00316a027
(1981)Doi:10.1016/S0040-4039(00)78697-7
(1980)Doi:10.1007/BF01168282
(1980)Doi:10.1007/BF00950586
(1980)
