BR6681138D0 - IMPROVEMENTS IN CHEMICAL PROCESS - Google Patents

IMPROVEMENTS IN CHEMICAL PROCESS

Info

Publication number
BR6681138D0
BR6681138D0 BR18113866A BR18113866A BR6681138D0 BR 6681138 D0 BR6681138 D0 BR 6681138D0 BR 18113866 A BR18113866 A BR 18113866A BR 18113866 A BR18113866 A BR 18113866A BR 6681138 D0 BR6681138 D0 BR 6681138D0
Authority
BR
Brazil
Prior art keywords
chemical process
chemical
Prior art date
Application number
BR18113866A
Other languages
Portuguese (pt)
Inventor
R Cresswell
J Mentha
B Hurlbert
Original Assignee
Wellcome Found
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 Wellcome Found filed Critical Wellcome Found
Publication of BR6681138D0 publication Critical patent/BR6681138D0/en

Links

BR18113866A 1965-07-08 1966-07-08 IMPROVEMENTS IN CHEMICAL PROCESS BR6681138D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47060665A 1965-07-08 1965-07-08

Publications (1)

Publication Number Publication Date
BR6681138D0 true BR6681138D0 (en) 1973-12-26

Family

ID=23868272

Family Applications (1)

Application Number Title Priority Date Filing Date
BR18113866A BR6681138D0 (en) 1965-07-08 1966-07-08 IMPROVEMENTS IN CHEMICAL PROCESS

Country Status (6)

Country Link
BE (1) BE683875A (en)
BR (1) BR6681138D0 (en)
DE (1) DE1620729A1 (en)
FI (1) FI49715C (en)
IT (1) IT1062274B (en)
NL (1) NL6609626A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1261455A (en) * 1969-03-06 1972-01-26 Burroughs Wellcome Co Improvements in or relating to substituted acrylonitriles
DE2065367C2 (en) * 1969-03-06 1985-04-04 The Wellcome Foundation Ltd., London Process for the preparation of 2,4-diamino-5-benzylpyrimidines
BR6915082D0 (en) 1969-05-16 1973-03-08 Wellcome Found PROCESS OF PREPARATION OF BENZYL-PYRIMIDINES
DE2051871A1 (en) * 1969-05-16 1971-11-18 The Wellcome Foundation Ltd., London Beta-amino-alpha-aryloxymethylacrylonitrile - and 2,4-diamino-5-benzylpyrimidine derivs. useful as antibacterial agents
BE792096A (en) * 1971-12-01 1973-05-30 Hoffmann La Roche NEW BENZYLPYRIMIDINES
BE795023A (en) * 1972-02-07 1973-08-06 Hoffmann La Roche NEW BENZYLPYRIMIDINES
EP0046856A3 (en) * 1980-08-29 1982-07-28 Hüls Troisdorf Aktiengesellschaft Process for preparing 4-amino-2-mercapto-pyrimidines
DE4333688C2 (en) * 1993-10-02 2003-11-06 Guenter Ege Process for the preparation of 3-aryl-2- (dialkoxymethyl) propannitriles and their conversion to 5-arylmethyl-2,4-diamino-pyrimidines, in particular to trimethoprim
CN107162989A (en) * 2017-05-27 2017-09-15 山东新华制药股份有限公司 A kind of preparation method of trimethoprim impurity

Also Published As

Publication number Publication date
DE1620729A1 (en) 1970-08-20
FI49715B (en) 1975-06-02
IT1062274B (en) 1984-02-29
NL6609626A (en) 1967-01-09
FI49715C (en) 1975-09-10
BE683875A (en) 1967-01-09

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