GB2185983B - Intermediates in process for production of 1,2,4-triazolones - Google Patents
Intermediates in process for production of 1,2,4-triazolonesInfo
- Publication number
- GB2185983B GB2185983B GB08702275A GB8702275A GB2185983B GB 2185983 B GB2185983 B GB 2185983B GB 08702275 A GB08702275 A GB 08702275A GB 8702275 A GB8702275 A GB 8702275A GB 2185983 B GB2185983 B GB 2185983B
- Authority
- GB
- United Kingdom
- Prior art keywords
- triazolones
- intermediates
- production
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
- C07D249/10—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D249/12—Oxygen or sulfur atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Coloring (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55672783A | 1983-11-30 | 1983-11-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8702275D0 GB8702275D0 (en) | 1987-03-11 |
GB2185983A GB2185983A (en) | 1987-08-05 |
GB2185983B true GB2185983B (en) | 1988-01-13 |
Family
ID=24222593
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08430275A Expired GB2150567B (en) | 1983-11-30 | 1984-11-30 | Process for production of 1, 2, 4-triazolones |
GB08702275A Expired GB2185983B (en) | 1983-11-30 | 1987-02-02 | Intermediates in process for production of 1,2,4-triazolones |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08430275A Expired GB2150567B (en) | 1983-11-30 | 1984-11-30 | Process for production of 1, 2, 4-triazolones |
Country Status (25)
Country | Link |
---|---|
JP (1) | JPS60132969A (en) |
KR (1) | KR890000990B1 (en) |
AT (1) | AT387571B (en) |
AU (1) | AU576338B2 (en) |
BE (1) | BE901165A (en) |
CA (1) | CA1233826A (en) |
CH (1) | CH663613A5 (en) |
CY (2) | CY1472A (en) |
DE (1) | DE3443820C2 (en) |
DK (3) | DK159970C (en) |
ES (2) | ES8609282A1 (en) |
FI (1) | FI81785C (en) |
FR (1) | FR2555582B1 (en) |
GB (2) | GB2150567B (en) |
GR (1) | GR81110B (en) |
HK (2) | HK16289A (en) |
IE (1) | IE74871B1 (en) |
IT (1) | IT1178641B (en) |
KE (1) | KE3852A (en) |
LU (1) | LU85657A1 (en) |
NL (1) | NL8403635A (en) |
SE (3) | SE456993B (en) |
SG (1) | SG80588G (en) |
YU (2) | YU44721B (en) |
ZA (1) | ZA849264B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2182241C (en) * | 1996-07-29 | 2002-09-17 | Bo Lei | Methods for the manufacture of nefazodone |
DE19902960A1 (en) * | 1999-01-26 | 2000-07-27 | Bayer Ag | Production of high-purity methyl carbazate comprises adding hydrazine and dimethyl carbonate simultaneously to solvent, distilling off solvent and low boilers and purifying product |
CA2356450C (en) | 2001-09-10 | 2003-11-25 | Brantford Chemicals Inc. | An improved process for the preparation of nefazodone hydrochloride |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1126882B (en) * | 1960-05-03 | 1962-04-05 | Boehringer Sohn Ingelheim | Process for the preparation of 1,2,4-triazolonen- (5) |
DE1545646B1 (en) * | 1965-12-15 | 1969-09-18 | Boehringer Sohn Ingelheim | 1,3-Dimethyl-4- (2 ', 4'-dichlorophenyl) -1,2,4-triazolon- (5) and process for its preparation |
US4338317A (en) * | 1981-03-16 | 1982-07-06 | Mead Johnson & Company | Phenoxyethyl-1,2,4,-triazol-3-one antidepressants |
US4487773A (en) * | 1981-03-16 | 1984-12-11 | Mead Johnson & Company | 1,2,4-Triazol-3-one antidepressants |
US4613600A (en) * | 1983-09-30 | 1986-09-23 | Mead Johnson & Company | Antidepressant 1,2,4-triazolone compounds |
-
1984
- 1984-11-26 YU YU1998/84A patent/YU44721B/en unknown
- 1984-11-27 ZA ZA849264A patent/ZA849264B/en unknown
- 1984-11-27 FI FI844647A patent/FI81785C/en active IP Right Grant
- 1984-11-29 SE SE8406045A patent/SE456993B/en not_active IP Right Cessation
- 1984-11-29 IE IE305984A patent/IE74871B1/en not_active IP Right Cessation
- 1984-11-29 ES ES538079A patent/ES8609282A1/en not_active Expired
- 1984-11-29 CH CH5700/84A patent/CH663613A5/en not_active IP Right Cessation
- 1984-11-29 FR FR8418173A patent/FR2555582B1/en not_active Expired
- 1984-11-29 BE BE0/214083A patent/BE901165A/en not_active IP Right Cessation
- 1984-11-29 NL NL8403635A patent/NL8403635A/en active Search and Examination
- 1984-11-29 GR GR81110A patent/GR81110B/en unknown
- 1984-11-29 DK DK567384A patent/DK159970C/en not_active IP Right Cessation
- 1984-11-29 CA CA000468894A patent/CA1233826A/en not_active Expired
- 1984-11-29 IT IT23808/84A patent/IT1178641B/en active
- 1984-11-29 LU LU85657A patent/LU85657A1/en unknown
- 1984-11-30 JP JP59252083A patent/JPS60132969A/en active Granted
- 1984-11-30 AT AT0380884A patent/AT387571B/en not_active IP Right Cessation
- 1984-11-30 DE DE3443820A patent/DE3443820C2/en not_active Expired - Lifetime
- 1984-11-30 KR KR1019840007553A patent/KR890000990B1/en not_active IP Right Cessation
- 1984-11-30 GB GB08430275A patent/GB2150567B/en not_active Expired
- 1984-11-30 AU AU36092/84A patent/AU576338B2/en not_active Expired
-
1986
- 1986-03-31 ES ES553547A patent/ES8706320A1/en not_active Expired
- 1986-05-20 YU YU826/86A patent/YU45325B/en unknown
-
1987
- 1987-02-02 GB GB08702275A patent/GB2185983B/en not_active Expired
-
1988
- 1988-04-15 SE SE8801409A patent/SE469894B/en not_active IP Right Cessation
- 1988-04-15 SE SE8801408A patent/SE464025B/en not_active IP Right Cessation
- 1988-11-30 SG SG805/88A patent/SG80588G/en unknown
- 1988-12-21 KE KE3852A patent/KE3852A/en unknown
-
1989
- 1989-02-23 HK HK162/89A patent/HK16289A/en not_active IP Right Cessation
- 1989-02-23 HK HK163/89A patent/HK16389A/en not_active IP Right Cessation
- 1989-07-21 CY CY1472A patent/CY1472A/en unknown
- 1989-07-21 CY CY1471A patent/CY1471A/en unknown
-
1990
- 1990-03-19 DK DK070890A patent/DK70890A/en not_active Application Discontinuation
- 1990-03-19 DK DK070790A patent/DK171451B1/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 20041129 |