GB621915A - Process of preparing penicillamine disulphides - Google Patents

Process of preparing penicillamine disulphides

Info

Publication number
GB621915A
GB621915A GB36880/46A GB3688046A GB621915A GB 621915 A GB621915 A GB 621915A GB 36880/46 A GB36880/46 A GB 36880/46A GB 3688046 A GB3688046 A GB 3688046A GB 621915 A GB621915 A GB 621915A
Authority
GB
United Kingdom
Prior art keywords
penicillamine
solution
disulphides
trace
treated
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
GB36880/46A
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.)
Merck and Co Inc
Original Assignee
Merck and Co 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 Merck and Co Inc filed Critical Merck and Co Inc
Publication of GB621915A publication Critical patent/GB621915A/en
Expired legal-status Critical Current

Links

Landscapes

  • Cosmetics (AREA)

Abstract

Penicillamine disulphides are manufactured by oxidizing penicillamine. In examples: (1) a solution of dl-penicillamine in aqueous caustic soda is treated with a solution of iodine in aqueous potassium iodide, producing a mixture of dl- and meso-penicillamine disulphide; (2) an aqueous solution of dl-penicillamine hydrochloride containing a trace of ferrous sulphate is treated with hydrogen peroxide; (3) d-penicillamine hydrochloride is dissolved in water, the solution is made slightly alkaline with ammonia, a trace of ferric chloride is added and air is bubbled through until the resulting purple colour has disappeared; (4) dl-penicillamine is oxidized as in (3).
GB36880/46A 1945-12-20 1946-12-13 Process of preparing penicillamine disulphides Expired GB621915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US621915XA 1945-12-20 1945-12-20

Publications (1)

Publication Number Publication Date
GB621915A true GB621915A (en) 1949-04-22

Family

ID=22040795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36880/46A Expired GB621915A (en) 1945-12-20 1946-12-13 Process of preparing penicillamine disulphides

Country Status (1)

Country Link
GB (1) GB621915A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550199A (en) * 1983-03-18 1985-10-29 Degussa Aktiengesellschaft Process for obtaining D,L-homocystine (I)
US4550200A (en) * 1983-03-18 1985-10-29 Degussa Aktiengesellschaft Process for obtaining D,L-homocystine (II)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550199A (en) * 1983-03-18 1985-10-29 Degussa Aktiengesellschaft Process for obtaining D,L-homocystine (I)
US4550200A (en) * 1983-03-18 1985-10-29 Degussa Aktiengesellschaft Process for obtaining D,L-homocystine (II)

Similar Documents

Publication Publication Date Title
ES186023A1 (en) PROCEDURE FOR COATING METALS
GB956277A (en) Improvements in photographic silver halide emulsions
SE7712960L (en) PROCEDURE FOR THE PRODUCTION OF ETHYLENE GLYCOL
GB621915A (en) Process of preparing penicillamine disulphides
GB989314A (en) Concentration of bichromate solutions
GB1022257A (en) Improvements in or relating to the manufacture of iron oxide pigments
GB1015902A (en) Production of morpholinothio benzthiazoles
GB599073A (en) Improvements in sulphur recovery
GB619206A (en) Diacetylenic diamines
GB705195A (en) Improvements relating to the oxidation of substituted cyclic compounds
GB558887A (en) Improvements in or relating to the manufacture of ª¤-aminothiophenol (or its alkali metal salts)
GB633459A (en) A process for the manufacture of n-(p-arsenosobenzyl)-glycine-amide and salts thereof
GB836666A (en) Production of chloroprene
GB619577A (en) Process for making 1:4-dicyanobutene
GB558960A (en) Improvements in the production of chlorine dioxide
GB687099A (en) Improvements in or relating to the generation of high quality chlorine dioxide
GB625750A (en) Improvements in or relating to the manufacture of caustic soda
GB734531A (en) Improvements connected with high temperature vat dyeing
GB645750A (en) Improvements in and relating to the purification of polymyxin
GB625201A (en) Improvements in bleaching process
GB1024913A (en) Production of organic isothiocyanates
GB810439A (en) A process for treating wool, wool goods or wool-containing goods to reduce their tendency to felting
GB986867A (en) Method of preparing salicylic acid
GB758839A (en) Improvements in and relating to the preparation of adhesives
GB776239A (en) Process for the production of beta-chlorostyrene