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Synthesis of O,O-diphenyl α-(p-toluenesulfonyl)amino(substituted)-phenylmethylphosphonates

✍ Scribed by Qing Dai; Ru-Yu Chen

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
152 KB
Volume
8
Category
Article
ISSN
1042-7163

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✦ Synopsis

A series of O,O-diphenyl-␣-(p-toluenesulfonamido)phosphonates have been synthesized by the Mannich-type reaction of p-toluenesulfonamide, (substituted)-benzaldehyde, and diphenyl phosphite with

acetyl chloride as the solvent. The mechanism of the reaction is suggested, and the structures of new products are confirmed by 1 H NMR spectroscopy, elemental analyses, and X-ray diffraction. The results of bioassay showed that some of the compounds possess good anti-TMV (tobacco mosaic virus) activity.

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