METHOD OF SYNTHESIS OF AROMATIC DERIVATIVES OR THEIR SALTS WITH ORGANIC OR INORGANIC ACIDS OR THEIR RACEMATES Russian patent published in 1997 - IPC

Abstract RU 2084453 C1

FIELD: organic chemistry. SUBSTANCE: invention relates to synthesis of aromatic compounds of the general formula (I) (see invention description) where: m = 2, 3; Ar and Ar1 were taken from thienyl, free of substituted phenyl, benzothienyl, naphthyl, biphenyl, indolyl; X and X' - are different or similar and mean hydrogen and other - hydrogen, hydroxyl or forms with X'' the bond carbon-carbon, or together with X and X' form oxo- or dialkylaminoalkoxyimino-group; Y - N or C(X''); Q, R, T, Z and M have different values. Reagent 1: compound of the formula (II) . Reagent 2: compound of the formula (III) HOCOZ or (IV') W=C=N-Z. Compound (IV) is synthesized from which tetrapyranylhydroxy-group is split off by mild acid hydrolysis and the obtained N-protected alkanolamine of the formula (V) is treated with methanesulfonylchloride and mesilate of the formula (VI) is obtained that is treated with secondary amine of the formula (VII) . Then protective groups were split off and converted to salt. Synthesized compounds were used in chemical-pharmaceutical industry. EFFECT: improved method of synthesis. 5 cl, 11 tbl

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RU 2 084 453 C1

Authors

Ksav'E Ehmon-Al'T[Fr]

P'Er Guljauik[Fr]

Vinchentso Proietto[It]

Did'E Van Bruk[Be]

Dates

1997-07-20Published

1990-11-05Filed