GB2471803B - Chemical process - Google Patents
Chemical processInfo
- Publication number
- GB2471803B GB2471803B GB1017991A GB201017991A GB2471803B GB 2471803 B GB2471803 B GB 2471803B GB 1017991 A GB1017991 A GB 1017991A GB 201017991 A GB201017991 A GB 201017991A GB 2471803 B GB2471803 B GB 2471803B
- Authority
- GB
- United Kingdom
- Prior art keywords
- chemical process
- chemical
- 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
Links
- 238000001311 chemical methods and process Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D489/00—Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula:
- C07D489/06—Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: with a hetero atom directly attached in position 14
- C07D489/08—Oxygen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1017991A GB2471803B (en) | 2006-05-25 | 2006-05-25 | Chemical process |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0610385A GB2444052A (en) | 2006-05-25 | 2006-05-25 | Processes of preparing morphinan derivatives such as naltrexone and naloxone comprising O- and N-demethylation and reductive alkylation steps |
GB1017991A GB2471803B (en) | 2006-05-25 | 2006-05-25 | Chemical process |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201017991D0 GB201017991D0 (en) | 2010-12-08 |
GB2471803A GB2471803A (en) | 2011-01-12 |
GB2471803B true GB2471803B (en) | 2011-02-16 |
Family
ID=36687714
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0610385A Withdrawn GB2444052A (en) | 2006-05-25 | 2006-05-25 | Processes of preparing morphinan derivatives such as naltrexone and naloxone comprising O- and N-demethylation and reductive alkylation steps |
GB1017991A Expired - Fee Related GB2471803B (en) | 2006-05-25 | 2006-05-25 | Chemical process |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0610385A Withdrawn GB2444052A (en) | 2006-05-25 | 2006-05-25 | Processes of preparing morphinan derivatives such as naltrexone and naloxone comprising O- and N-demethylation and reductive alkylation steps |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2444052A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SK592017A3 (en) * | 2017-07-04 | 2019-01-08 | Saneca Pharmaceuticals A. S. | Method for preparing morphinan compounds |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3717643A (en) * | 1967-05-04 | 1973-02-20 | Sterling Drug Inc | N-substituted-norapomorphines |
US3905981A (en) * | 1973-10-12 | 1975-09-16 | Research Corp | N-dealkylation of tertiary amines |
GB2000137A (en) * | 1977-06-21 | 1979-01-04 | Warner Lambert Co | 7,8-Dihydro-14-hydroxy-normorphine |
EP0164290A1 (en) * | 1984-05-25 | 1985-12-11 | Sanofi S.A. | Process for the dealkylation of alcaloids and intermediates |
WO2006035195A1 (en) * | 2004-09-30 | 2006-04-06 | Johnson Matthey Public Limited Company | Preparation of opiate analgesics by reductive alkylation |
-
2006
- 2006-05-25 GB GB0610385A patent/GB2444052A/en not_active Withdrawn
- 2006-05-25 GB GB1017991A patent/GB2471803B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3717643A (en) * | 1967-05-04 | 1973-02-20 | Sterling Drug Inc | N-substituted-norapomorphines |
US3905981A (en) * | 1973-10-12 | 1975-09-16 | Research Corp | N-dealkylation of tertiary amines |
GB2000137A (en) * | 1977-06-21 | 1979-01-04 | Warner Lambert Co | 7,8-Dihydro-14-hydroxy-normorphine |
EP0164290A1 (en) * | 1984-05-25 | 1985-12-11 | Sanofi S.A. | Process for the dealkylation of alcaloids and intermediates |
WO2006035195A1 (en) * | 2004-09-30 | 2006-04-06 | Johnson Matthey Public Limited Company | Preparation of opiate analgesics by reductive alkylation |
Non-Patent Citations (5)
Title |
---|
Journal of Medicinal Chemistry Vol. 21, No. 4, 1978, pages 398-400 * |
Journal of Organic Chemistry Vol. 49, No. 11, 1984, pages 2081-2082. * |
Tetrahedron Vol.48, No. 32, 1992, pages 6709-6716. * |
Yaoxue Xuebao Vol. 17, No. 7, 1982, pages 546-548. * |
Zhongguo Yaowu Huaxue Zazhi Vol. 8, No. 2, 1998, pages 141-146. * |
Also Published As
Publication number | Publication date |
---|---|
GB2444052A (en) | 2008-05-28 |
GB0610385D0 (en) | 2006-07-05 |
GB2471803A (en) | 2011-01-12 |
GB201017991D0 (en) | 2010-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120525 |