METHOD OF HETEROCYCLIC COMPOUND SYNTHESIS Russian patent published in 2009 - IPC C07D233/50 C07D265/08 C07D235/30 C07D413/12 C07D277/18 C07D265/18 C07D409/12 C07D495/04 

Abstract RU 2346936 C2

FIELD: chemistry.

SUBSTANCE: invention concerns method of obtaining heterocycles of formula I , where X, A, R10-R17 are as defined in point 1 of the claim, while a) isothiocyanate of formula II is transformed into thiourea of formula IV by interaction with primary amine of formula III, and b) thiourea of formula IV is transformed into compound of formula I by interaction with sulfochloride R6SO2Cl in the presence of a base, where A, X, n, m and R10 to R17 in compounds of formulae II, III and IV are as defined in formula I, and R6 is (C1-C4)-alkyl, trifluoromethyl or phenyl non-sustituted or substituted by methyl, trifluoromethyl, F, CI, Br or polymer carreir. The transportation is shown by combination formulae

EFFECT: new multipurpose synthesis technique for heterocyclic compounds of the general formula I.

8 cl, 31 ex

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RU 2 346 936 C2

Authors

Khajnel'T Uve

Lang Khans-Jokhen

Dates

2009-02-20Published

2004-05-10Filed