Phosphorus, Sulfur, and Silicon

Synthese du fostedil (4-(2-benzothiazolyl) benzylphosphonate de diethyle) a partir d'imidates N-acyles

A Harizi, H Zantour

Index: Harizi, Abdallah; Zantour, Hedi Phosphorus, Sulfur and Silicon and the Related Elements, 2004 , vol. 179, # 9 p. 1883 - 1891

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Citation Number: 4

Abstract

Fostedil (diethyl 4-(benzothiazol-2-yl) benzylphosphonate) 7 has been synthesized efficiently by treatment of 2-(4-bromomethylphenyl) benzothiazole 6 with triethylphosphite. The latter (6) has been prepared by bromation of benzothiazole 3c. N-acylimidates 1 (a–d) react with 2-aminobenzenethiol 2 to lead to the corresponding benzothiazoles 3 (a–d) after elimination of primary amide 5. The structure of these products have been unequivocally ...