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2 129 556

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IPC

(21) (22)

Application

96105980/04, 1994-08-12

(22)

Actual filing date

1994-08-12

(45)

Published

1999-04-27

(72)

Inventor

Gi Rozalija Ehzhen Van LommenPit Tom Bert Paul' VigerinkMarsel' Frans Leopol'D De BrjuinVim Gaston VerskhuerenMark Fransis Zhozefin Shroven

(73)

Holder

Zhansen Farmasetika N.V.

DIHYDROBENZOPYRANE DERIVATIVES WITH VASOCONSTRICTIVE EFFECT, INTERMEDIATE COMPOUNDS, PREPARATION METHODS, PHARMACEUTICAL COMPOSITION, METHOD OF PREPARING THEREOF Russian patent published in 1999 - IPC

Abstract RU 2129556 C1

FIELD: pharmaceutical industry. SUBSTANCE: invention describes dihydrobenzopyrane derivatives of formula I: R¹,R²,R³ wherein C_1-6 are each independently hydrogen of R⁴-alkyl; C_1-6 is hydrogen, halogen or - alkyl; Q is radical of formula (aa)-(nn). Other radicals are defined in claim 1. Pharmaceutical compositions based on compounds of formula I have vasoconstrictive effect. EFFECT: improved properties of the pharmaceutical composition. 13 cl, 37 ex, 18 tbl

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RU 2 129 556 C1

Authors

Gi Rozalija Ehzhen Van Lommen

Pit Tom Bert Paul' Vigerink

Marsel' Frans Leopol'D De Brjuin

Vim Gaston Verskhueren

Mark Fransis Zhozefin Shroven

Dates

1999-04-27—Published

1994-08-12—Filed