PH25036A - Process for the manufacture of isoquinolines - Google Patents
Process for the manufacture of isoquinolinesInfo
- Publication number
- PH25036A PH25036A PH36664A PH36664A PH25036A PH 25036 A PH25036 A PH 25036A PH 36664 A PH36664 A PH 36664A PH 36664 A PH36664 A PH 36664A PH 25036 A PH25036 A PH 25036A
- Authority
- PH
- Philippines
- Prior art keywords
- isoquinolines
- manufacture
- formula
- image
- solution
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
- C07D217/12—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with radicals, substituted by hetero atoms, attached to carbon atoms of the nitrogen-containing ring
- C07D217/18—Aralkyl radicals
- C07D217/20—Aralkyl radicals with oxygen atoms directly attached to the aromatic ring of said aralkyl radical, e.g. papaverine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
- C07D217/02—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ring; Alkylene-bis-isoquinolines
- C07D217/04—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ring; Alkylene-bis-isoquinolines with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
Process for the preparation of isoquinolines of the formula <IMAGE> in which R is methyl or benzyl and R' is phenyl, p-hydroxyphenyl or p-methoxyphenyl, characterised in that a solution of an enamine of the formula <IMAGE> in which R and R' have the above meaning, is reacted in a hydrocarbon with an anhydrous solution of p-toluenesulphonic acid in toluene or xylene at elevated temperature.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH106487 | 1987-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
PH25036A true PH25036A (en) | 1991-01-28 |
Family
ID=4201606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PH36664A PH25036A (en) | 1987-03-20 | 1988-03-18 | Process for the manufacture of isoquinolines |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0283848B1 (en) |
JP (1) | JP2507523B2 (en) |
AT (1) | ATE63545T1 (en) |
AU (1) | AU613605B2 (en) |
CA (1) | CA1310012C (en) |
DE (1) | DE3862787D1 (en) |
DK (1) | DK168625B1 (en) |
HU (1) | HU203876B (en) |
IE (1) | IE61069B1 (en) |
NZ (1) | NZ223879A (en) |
PH (1) | PH25036A (en) |
ZA (1) | ZA881811B (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE834103C (en) * | 1950-01-03 | 1952-03-17 | Bayer Ag | Process for the preparation of 1-benzyl-1, 2, 3, 4, 5, 6, 7, 8, -octahydroisoquinoline |
DE908138C (en) * | 1951-01-16 | 1954-04-01 | Hoffmann La Roche | Process for the preparation of 1-benzyl-2-alkyl-1,2,3,4,5,6,7,8, -octa-hydroisoquinolines and their salts |
DE1003211B (en) * | 1952-06-16 | 1957-02-28 | Hoffmann La Roche | Process for the preparation of 1-benzyl-2-methyl-1,2,3,4,5,6,7,8-octahydroisoquinolines optionally substituted in the benzyl radical and their salts |
DE955769C (en) * | 1953-08-13 | 1957-01-10 | Hoffmann La Roche | Process for the racemization of optically active 1- (p-methoxybenzyl) -2-methyl-octahydroisoquinolines |
-
1988
- 1988-02-18 CA CA000559195A patent/CA1310012C/en not_active Expired - Fee Related
- 1988-02-26 DK DK102388A patent/DK168625B1/en not_active IP Right Cessation
- 1988-03-09 DE DE8888103666T patent/DE3862787D1/en not_active Expired - Fee Related
- 1988-03-09 EP EP88103666A patent/EP0283848B1/en not_active Expired - Lifetime
- 1988-03-09 AT AT88103666T patent/ATE63545T1/en not_active IP Right Cessation
- 1988-03-14 ZA ZA881811A patent/ZA881811B/en unknown
- 1988-03-14 AU AU13074/88A patent/AU613605B2/en not_active Ceased
- 1988-03-15 NZ NZ223879A patent/NZ223879A/en unknown
- 1988-03-16 HU HU881239A patent/HU203876B/en not_active IP Right Cessation
- 1988-03-16 JP JP63060667A patent/JP2507523B2/en not_active Expired - Lifetime
- 1988-03-18 IE IE80588A patent/IE61069B1/en unknown
- 1988-03-18 PH PH36664A patent/PH25036A/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0283848B1 (en) | 1991-05-15 |
NZ223879A (en) | 1991-01-29 |
IE61069B1 (en) | 1994-09-21 |
ATE63545T1 (en) | 1991-06-15 |
DE3862787D1 (en) | 1991-06-20 |
HUT49123A (en) | 1989-08-28 |
HU203876B (en) | 1991-10-28 |
ZA881811B (en) | 1988-09-20 |
EP0283848A1 (en) | 1988-09-28 |
AU613605B2 (en) | 1991-08-08 |
DK102388D0 (en) | 1988-02-26 |
IE880805L (en) | 1988-09-20 |
DK168625B1 (en) | 1994-05-09 |
AU1307488A (en) | 1988-09-22 |
JPS63238062A (en) | 1988-10-04 |
JP2507523B2 (en) | 1996-06-12 |
DK102388A (en) | 1988-09-21 |
CA1310012C (en) | 1992-11-10 |
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