A general and convenient method for the synthesis of unesterified carbamoyl- and thiocarbamoyl-phosphonic acids |
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Authors: | Mitsuo Sekine Hikaru Yamagata Tsujiaki Hata |
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Affiliation: | Department of Life Chemistry, Tokyo Institute of Technology Nagatsuta, Midoriku, Yokohama 227, Japan |
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Abstract: | Unesterified carbamoyl- and thiocarbamoyl-phosphonic acids were prepared in high yields by the reaction of tris(trimethylsilyl) phosphite with isocyanates and isothiocyanates followed by treatment of the 1:1 carbonyl adducts with aniline-containing methanol. |
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