RO95319B1 - Process for preparing benzizoxazole derivatives - Google Patents

Process for preparing benzizoxazole derivatives

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Publication number
RO95319B1
RO95319B1 RO121831A RO12183186A RO95319B1 RO 95319 B1 RO95319 B1 RO 95319B1 RO 121831 A RO121831 A RO 121831A RO 12183186 A RO12183186 A RO 12183186A RO 95319 B1 RO95319 B1 RO 95319B1
Authority
RO
Romania
Prior art keywords
index
page
hydrogen
description
general formula
Prior art date
Application number
RO121831A
Other languages
Romanian (ro)
Inventor
Richard Nielsen Donald
Original Assignee
Ppg Industries, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ppg Industries, Inc. filed Critical Ppg Industries, Inc.
Priority to RO121831A priority Critical patent/RO95319B1/en
Publication of RO95319B1 publication Critical patent/RO95319B1/en

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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Abstract

Inventia se refera la un procedeu pentru prepararea unor derivati de benzizoxazol cu formula generala I (vezi formula în pag. 1 a descrierii), în care X este CH sau N, R este un atom de hidrogen sau halogen sau un radical alchil, n este 0÷2 si B este un atom de hidrogen, un radical alchil sau haloalchil inferior, OR indice 1, SR indice 1 sau NR indice 1 R indice 2, în care R indice 1 este hidrogen, alchil inferior sau alcoxi inferior si R indice 2 este hidrogen sau alchil inferior. Procedeul consta în tratarea compusilor cu formula generala II (vezi formula în pag. 1 a descrierii) cu un compus cu formula generala III (vezi formula în pag. 1 a descrierii), în care R indice 1 si B au semnificatiile de mai sus si Hal este un atom de halogen, reactia avînd loc în acetonitril sau dimetilformamida, în prezenta de carbonat de potasiu, la temperaturi între temperatura camerei si 60 degree C.The invention relates to a process for the preparation of benzisoxazole derivatives of the general formula I (see formula on page 1 of the description) wherein X is CH or N, R is a hydrogen atom or a halogen atom or an alkyl radical, n is 0-2 and B is a hydrogen atom, an alkyl or lower haloalkyl radical, OR index 1, SR index 1 or NR index 1 R index 2, wherein R index 1 is hydrogen, lower alkyl or lower alkoxy and R index 2 is hydrogen or lower alkyl. The process consists in treating compounds of the general formula II (see formula on page 1 of the description) with a compound of general formula III (see formula on page 1 of the description), wherein R 1 and B have the meanings given above and Hal is a halogen atom, the reaction being carried out in acetonitrile or dimethylformamide in the presence of potassium carbonate at temperatures between room temperature and 60 ° C.

RO121831A 1986-01-10 1986-01-10 Process for preparing benzizoxazole derivatives RO95319B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO121831A RO95319B1 (en) 1986-01-10 1986-01-10 Process for preparing benzizoxazole derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO121831A RO95319B1 (en) 1986-01-10 1986-01-10 Process for preparing benzizoxazole derivatives

Publications (1)

Publication Number Publication Date
RO95319B1 true RO95319B1 (en) 1988-02-29

Family

ID=40904719

Family Applications (1)

Application Number Title Priority Date Filing Date
RO121831A RO95319B1 (en) 1986-01-10 1986-01-10 Process for preparing benzizoxazole derivatives

Country Status (1)

Country Link
RO (1) RO95319B1 (en)

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