BG50653A1 - N- sulphonyl derivatives of 4- nitrophthalimide and method for their preparation - Google Patents

N- sulphonyl derivatives of 4- nitrophthalimide and method for their preparation

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Publication number
BG50653A1
BG50653A1 BG9247090A BG9247090A BG50653A1 BG 50653 A1 BG50653 A1 BG 50653A1 BG 9247090 A BG9247090 A BG 9247090A BG 9247090 A BG9247090 A BG 9247090A BG 50653 A1 BG50653 A1 BG 50653A1
Authority
BG
Bulgaria
Prior art keywords
group
hydrogen
nitrophthalimide
preparation
image
Prior art date
Application number
BG9247090A
Inventor
Vladimir B Bozhinov
Aneta B Josifova
Original Assignee
Univ Sofijski Tech
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 Univ Sofijski Tech filed Critical Univ Sofijski Tech
Priority to BG9247090A priority Critical patent/BG50653A1/en
Publication of BG50653A1 publication Critical patent/BG50653A1/en

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Abstract

These compounds are used as burning deterrents of polyamide and have the following common formula<IMAGE>,where R1 is hydrogen or methyl group, R2 - hydrogen, acetyl amino group, nitro group or methyl group, R3 - hydrogen, nitro group or methoxy group. By this method, phenylsulfonyl chlorides is replaced with the formula<IMAGE>,where R1, R2 and R3 have the above-mentioned denotes, with potassium 4-nitrophthalymide in organic solvent, at temperatures between 20 and 100 degrees C, in the presence of catalytic quantities of 18-crown-6.
BG9247090A 1990-07-18 1990-07-18 N- sulphonyl derivatives of 4- nitrophthalimide and method for their preparation BG50653A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BG9247090A BG50653A1 (en) 1990-07-18 1990-07-18 N- sulphonyl derivatives of 4- nitrophthalimide and method for their preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG9247090A BG50653A1 (en) 1990-07-18 1990-07-18 N- sulphonyl derivatives of 4- nitrophthalimide and method for their preparation

Publications (1)

Publication Number Publication Date
BG50653A1 true BG50653A1 (en) 1992-10-15

Family

ID=3923139

Family Applications (1)

Application Number Title Priority Date Filing Date
BG9247090A BG50653A1 (en) 1990-07-18 1990-07-18 N- sulphonyl derivatives of 4- nitrophthalimide and method for their preparation

Country Status (1)

Country Link
BG (1) BG50653A1 (en)

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