JPS57185256A - Production of carbonyldiiminobisbenzenesulfonic acid or its salt - Google Patents

Production of carbonyldiiminobisbenzenesulfonic acid or its salt

Info

Publication number
JPS57185256A
JPS57185256A JP7110381A JP7110381A JPS57185256A JP S57185256 A JPS57185256 A JP S57185256A JP 7110381 A JP7110381 A JP 7110381A JP 7110381 A JP7110381 A JP 7110381A JP S57185256 A JPS57185256 A JP S57185256A
Authority
JP
Japan
Prior art keywords
salt
phosgen
reaction
compound
acid
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP7110381A
Other languages
Japanese (ja)
Inventor
Arinobu Kataoka
Kimiaki Matsuda
Masaru Kamoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP7110381A priority Critical patent/JPS57185256A/en
Publication of JPS57185256A publication Critical patent/JPS57185256A/en
Pending legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: The reaction of a specific aminobenzenesulfonic acid or its salt with phosgen affords the titled compound used as an intermediate of agricultural chemicals, drugs or dyes economically through simple operations.
CONSTITUTION: The reaction of phosgen with a compound of formulaI(R1WR3 are H, 1W4C alkyl, 1W4C alkoxy, halogen, nitro; M is H, mono-, di-, or trivalent metal, tertiary amine) or its salt gives the titled compound of formula II. The amount of phosgen is 0.55W1mol per one equivalent of the amino group in the compound of formulaIpreferably. When necessary, the reaction is carried out in a solvent such as water in the presence of a dehydrochlorinating agent such as sodium hydroxide.
COPYRIGHT: (C)1982,JPO&Japio
JP7110381A 1981-05-11 1981-05-11 Production of carbonyldiiminobisbenzenesulfonic acid or its salt Pending JPS57185256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7110381A JPS57185256A (en) 1981-05-11 1981-05-11 Production of carbonyldiiminobisbenzenesulfonic acid or its salt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7110381A JPS57185256A (en) 1981-05-11 1981-05-11 Production of carbonyldiiminobisbenzenesulfonic acid or its salt

Publications (1)

Publication Number Publication Date
JPS57185256A true JPS57185256A (en) 1982-11-15

Family

ID=13450873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7110381A Pending JPS57185256A (en) 1981-05-11 1981-05-11 Production of carbonyldiiminobisbenzenesulfonic acid or its salt

Country Status (1)

Country Link
JP (1) JPS57185256A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4717070B2 (en) * 2005-07-22 2011-07-06 オリオン機械株式会社 Equipment with operation / display unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4717070B2 (en) * 2005-07-22 2011-07-06 オリオン機械株式会社 Equipment with operation / display unit

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