2-SACCHARINYLMETHYL- OR 4,5,6,7-TETRAHYDRO-2-SACCHARINYLMETHYL PHOSPHATES, -PHOSPHONATES OR -PHOSPHINATES AND PHARMACEUTICAL COMPOSITION BASED ON THEREOF Russian patent published in 1997 - IPC

Abstract RU 2091377 C1

FIELD: organic chemistry. SUBSTANCE: product: new 4-R1-R2-R3-2-saccharinylmethyl-, 4-R4-4-R5-6-R6-4,5,6,7-tetrahydro-2-saccharinylmethyl- and 4,7-C-4,5,6,7-tetrahydro-2-saccharinylmethylphosphates, -phosphonates and -phosphinates of the formulas (I), (II) and (IIA), respectively, and compositions containing thereof. Invention relates to also methods of synthesis of the indicated compounds by reaction of the corresponding 2-halogenmethylsaccharins with phosphate, phosphonate or phosphinic acid of the formula (III) in the presence of acid acceptor. EFFECT: improved method of synthesis. 2 cl, 5 dwg, 8 tbl

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RU 2 091 377 C1

Authors

Randzhit Chimanlal Desaj[In]

Dzhon Dzhozef Kurt[Us]

Denniz Dzhon Khlasta[Us]

Chakrapani Subraman'Jam[In]

Dates

1997-09-27Published

1992-12-25Filed