GB2338234B - Preparation of finasteride - Google Patents

Preparation of finasteride

Info

Publication number
GB2338234B
GB2338234B GB9812454A GB9812454A GB2338234B GB 2338234 B GB2338234 B GB 2338234B GB 9812454 A GB9812454 A GB 9812454A GB 9812454 A GB9812454 A GB 9812454A GB 2338234 B GB2338234 B GB 2338234B
Authority
GB
United Kingdom
Prior art keywords
finasteride
preparation
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 - Fee Related
Application number
GB9812454A
Other versions
GB9812454D0 (en
GB2338234A (en
Inventor
Clarke Slemon
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.)
Torcan Chemical Ltd
Original Assignee
Torcan Chemical 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 Torcan Chemical Ltd filed Critical Torcan Chemical Ltd
Priority to GB9812454A priority Critical patent/GB2338234B/en
Publication of GB9812454D0 publication Critical patent/GB9812454D0/en
Publication of GB2338234A publication Critical patent/GB2338234A/en
Application granted granted Critical
Publication of GB2338234B publication Critical patent/GB2338234B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J73/00—Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms
GB9812454A 1998-06-10 1998-06-10 Preparation of finasteride Expired - Fee Related GB2338234B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9812454A GB2338234B (en) 1998-06-10 1998-06-10 Preparation of finasteride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9812454A GB2338234B (en) 1998-06-10 1998-06-10 Preparation of finasteride

Publications (3)

Publication Number Publication Date
GB9812454D0 GB9812454D0 (en) 1998-08-05
GB2338234A GB2338234A (en) 1999-12-15
GB2338234B true GB2338234B (en) 2000-05-03

Family

ID=10833492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9812454A Expired - Fee Related GB2338234B (en) 1998-06-10 1998-06-10 Preparation of finasteride

Country Status (1)

Country Link
GB (1) GB2338234B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2153789B1 (en) * 1999-07-05 2001-10-16 Raga Consultores S L PROCEDURE FOR OBTAINING 178- (N-TERC-BUTLCARBAMOIL) -3-ONA-4-AZA-STEROIDS
US6677453B1 (en) * 1999-11-01 2004-01-13 Torcan Chemical Ltd Production of polymorphic forms I and II of finasteride by complexation with group I or II metal salts
ES2206065B1 (en) 2002-10-31 2005-08-16 Ragactives, S.L. PROCEDURE FOR OBTAINING THE POLYMORPHIC FORM I OF FINASTERIDA.
US20060019989A1 (en) * 2004-07-21 2006-01-26 Steiner Mitchell S Compositions comprising 5-alpha reductase inhibitors and SERMs and methods of use thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1555968A (en) * 1975-06-30 1979-11-14 Schering Ag Process for the isolation of 3-hydroxy steroids and 3-oxo teroids
GB2094795A (en) * 1981-03-02 1982-09-22 Searle & Co Process for isolation of organic compounds and lithium salt complexes useful in such process
EP0599376A2 (en) * 1992-11-19 1994-06-01 Merck & Co. Inc. A process for the production of finasteride

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1555968A (en) * 1975-06-30 1979-11-14 Schering Ag Process for the isolation of 3-hydroxy steroids and 3-oxo teroids
GB2094795A (en) * 1981-03-02 1982-09-22 Searle & Co Process for isolation of organic compounds and lithium salt complexes useful in such process
EP0599376A2 (en) * 1992-11-19 1994-06-01 Merck & Co. Inc. A process for the production of finasteride

Also Published As

Publication number Publication date
GB9812454D0 (en) 1998-08-05
GB2338234A (en) 1999-12-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040610