GB677253A - New diazabutadiene sulphonic acids - Google Patents

New diazabutadiene sulphonic acids

Info

Publication number
GB677253A
GB677253A GB2080749A GB2080749A GB677253A GB 677253 A GB677253 A GB 677253A GB 2080749 A GB2080749 A GB 2080749A GB 2080749 A GB2080749 A GB 2080749A GB 677253 A GB677253 A GB 677253A
Authority
GB
United Kingdom
Prior art keywords
sulphonic acids
diazabutadiene
new
thiosemicarbazones
acetylamino
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.)
Expired
Application number
GB2080749A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB2080749A priority Critical patent/GB677253A/en
Publication of GB677253A publication Critical patent/GB677253A/en
Expired legal-status Critical Current

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

Abstract

The invention comprises diazabutadienesulphonic acids of the formula: <FORM:0677253/IV (b)/1> in which the phenyl radical R may be optionally para-substituted by chlorine, SO2-C2H5, and acetylamino, obtained by oxidizing araldehyde thiosemicarbazones R.CH=N.NH.CS.NH2 by means of peracetic acid, especially from hydrogen peroxide, in glacial acetic acid at <10 DEG C. In examples the thiosemicarbazones of benzaldehyde and its p-ethylsulphonyl-, p-acetylamino- and p-chlor-derivatives are oxidized with hydrogen peroxide/acetic acid to the corresponding sulphonic acids.
GB2080749A 1949-08-10 1949-08-10 New diazabutadiene sulphonic acids Expired GB677253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2080749A GB677253A (en) 1949-08-10 1949-08-10 New diazabutadiene sulphonic acids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2080749A GB677253A (en) 1949-08-10 1949-08-10 New diazabutadiene sulphonic acids

Publications (1)

Publication Number Publication Date
GB677253A true GB677253A (en) 1952-08-13

Family

ID=10152006

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2080749A Expired GB677253A (en) 1949-08-10 1949-08-10 New diazabutadiene sulphonic acids

Country Status (1)

Country Link
GB (1) GB677253A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419659A (en) * 1964-07-08 1968-12-31 Gaf Corp Sun screening methods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419659A (en) * 1964-07-08 1968-12-31 Gaf Corp Sun screening methods

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