Synthesis and reactions of 1, 2, 4-triazine azides with triphenylphosphine, trialkyl phosphites and dialkyl phosphonates
YO El-Khoshnieh
Index: El-Khoshnieh, Yehia O. Phosphorus, Sulfur and Silicon and Related Elements, 1998 , vol. 139, p. 163 - 172
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Citation Number: 8
Abstract
Abstract 3-Azido-5, 6-diphenyl-1, 2, 4-triazine (1) and 3-azidophenanthro [9, 10-e]-1, 2, 4- triazine (2) are synthesized in high yield (∼ 75%). 1 and 2 react with triphenylphosphine to afford phosphazenes 5 and 6 with a covalent structure. Reactions of 1 and 2 with trialkylphosphites 3b, c produce phosphazenes 7a, b and 8a, b which have the phosphonium dipolar ion structure, 1 reacts with diethyl phosphonate (4a) to give the ...
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