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- W2007661646 abstract "It has been found that the amination of 4-bromo-2,6-diphenylpyrimidine into the corresponding 4-amino compound with potassium amide in liquid ammonia at −33° does not occur by the ANRORC-mechanism but by an EA and/or AE-mechanism. Treatment of 4,5-dibromo-2,6-diphenylpyrimidine with potassium amide under the above-mentioned conditions leads to a mixture of 4-amino-5-bromo-2,6-diphenylpyrimidine and 4-amino-2,6-diphenylpyrimidine. Evidence is presented that in the formation of 4-amino-5-bromo-2,6-diphenylpyrimidine the ANRORC-mechanism is operative to the extent of about 20%. The synthesis of the 1(3)-15N-enriched 4-bromo-2,6-diphenyl- and the 4,5-dibromo-2,6-diphenyl-pyrimidine is described." @default.
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- W2007661646 date "1973-01-01" @default.
- W2007661646 modified "2023-09-23" @default.
- W2007661646 title "On the mechanism of the amination of 4-bromo-2,6-diphenyl- and 4,5-dibromo-2,6-diphenyl-pyrimidine with potassium amide in liquid ammonia" @default.
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- W2007661646 doi "https://doi.org/10.1002/recl.19730920205" @default.
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