CS220346B2 - Method of preparing crystalline cimetidine - Google Patents
Method of preparing crystalline cimetidine Download PDFInfo
- Publication number
- CS220346B2 CS220346B2 CS816219A CS621981A CS220346B2 CS 220346 B2 CS220346 B2 CS 220346B2 CS 816219 A CS816219 A CS 816219A CS 621981 A CS621981 A CS 621981A CS 220346 B2 CS220346 B2 CS 220346B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- methyl
- water
- reaction
- cyano
- cimetidine
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/64—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/23—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton
- C07C323/39—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton at least one of the nitrogen atoms being part of any of the groups, X being a hetero atom, Y being any atom
- C07C323/43—Y being a hetero atom
- C07C323/44—X or Y being nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cephalosporin Compounds (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Lubricants (AREA)
- Plural Heterocyclic Compounds (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI802649A FI63753C (fi) | 1980-08-21 | 1980-08-21 | Foerfarande foer framstaellning av kristallint simetidin. |
Publications (1)
Publication Number | Publication Date |
---|---|
CS220346B2 true CS220346B2 (en) | 1983-03-25 |
Family
ID=8513706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS816219A CS220346B2 (en) | 1980-08-21 | 1981-08-19 | Method of preparing crystalline cimetidine |
Country Status (19)
Country | Link |
---|---|
EP (1) | EP0046635B1 (de) |
JP (1) | JPH0153272B2 (de) |
AT (1) | ATE14123T1 (de) |
BG (1) | BG36786A3 (de) |
CA (1) | CA1164876A (de) |
CS (1) | CS220346B2 (de) |
DD (1) | DD201675A5 (de) |
DE (1) | DE3171202D1 (de) |
DK (1) | DK554580A (de) |
ES (1) | ES8204425A1 (de) |
FI (1) | FI63753C (de) |
GR (1) | GR67669B (de) |
HU (1) | HU188074B (de) |
NO (1) | NO155440C (de) |
PL (1) | PL133507B1 (de) |
PT (1) | PT73478B (de) |
RO (1) | RO83439B (de) |
SU (1) | SU1122222A3 (de) |
YU (1) | YU201481A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59130274A (ja) * | 1983-01-14 | 1984-07-26 | Tokawa Tetsuo | イミダゾ−ル系化合物の製法 |
JPS6182818A (ja) * | 1984-10-01 | 1986-04-26 | Toray Ind Inc | 化学薬品の精製法 |
GB8618846D0 (en) * | 1986-08-01 | 1986-09-10 | Smithkline Beckman Corp | Chemical process |
JPH0627120B2 (ja) * | 1986-11-07 | 1994-04-13 | 三井石油化学工業株式会社 | 新規なα−クロロケトン誘導体および製造法 |
JPH064601B2 (ja) * | 1987-11-04 | 1994-01-19 | 三井石油化学工業株式会社 | N−シアノ−n’−メチル−n’’−[2−{(5−メチル−1h−イミダゾール−4−イル)メチルチオ}エチルグアニジンの精製法 |
CN114149348A (zh) * | 2021-12-15 | 2022-03-08 | 河北新石制药有限公司 | 西咪替丁缩合杂质的合成方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4093621A (en) * | 1974-09-02 | 1978-06-06 | Smith Kline & French Laboratories Limited | Process for preparing heterocyclicalkylthioalkyl-N-cyanoguanidines and thioureas |
US4215217A (en) * | 1975-10-29 | 1980-07-29 | Sk&F Lab Co. | Process for preparing 4-substituted imidazole compounds |
ES458042A1 (es) * | 1977-04-06 | 1978-08-16 | Ricorvi S A | Nuevo procedimiento para la sintesis de la 1-ciano-2-metil- 3-(2-(((5-metil-imidazol-4-il-)metil)tio)etil)-guanidina. |
US4112234A (en) * | 1977-08-22 | 1978-09-05 | Bristol-Myers Company | Imidazolylmethylthioethyl alkynyl guanidines |
-
1980
- 1980-08-21 FI FI802649A patent/FI63753C/fi not_active IP Right Cessation
- 1980-12-29 DK DK554580A patent/DK554580A/da not_active Application Discontinuation
-
1981
- 1981-07-23 AT AT81303378T patent/ATE14123T1/de not_active IP Right Cessation
- 1981-07-23 DE DE8181303378T patent/DE3171202D1/de not_active Expired
- 1981-07-23 EP EP81303378A patent/EP0046635B1/de not_active Expired
- 1981-07-27 GR GR65640A patent/GR67669B/el unknown
- 1981-08-03 JP JP56120798A patent/JPH0153272B2/ja not_active Expired
- 1981-08-04 PT PT73478A patent/PT73478B/pt unknown
- 1981-08-05 CA CA000383256A patent/CA1164876A/en not_active Expired
- 1981-08-11 ES ES504698A patent/ES8204425A1/es not_active Expired
- 1981-08-17 HU HU812400A patent/HU188074B/hu unknown
- 1981-08-18 SU SU813322501A patent/SU1122222A3/ru active
- 1981-08-19 DD DD81232689A patent/DD201675A5/de unknown
- 1981-08-19 CS CS816219A patent/CS220346B2/cs unknown
- 1981-08-20 NO NO812813A patent/NO155440C/no unknown
- 1981-08-20 RO RO105135A patent/RO83439B/ro unknown
- 1981-08-20 YU YU02014/81A patent/YU201481A/xx unknown
- 1981-08-21 BG BG053354A patent/BG36786A3/xx unknown
- 1981-09-20 PL PL1981232730A patent/PL133507B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
ATE14123T1 (de) | 1985-07-15 |
ES504698A0 (es) | 1982-05-16 |
FI802649A (fi) | 1982-02-22 |
JPH0153272B2 (de) | 1989-11-13 |
FI63753C (fi) | 1987-02-19 |
PT73478A (en) | 1981-09-01 |
EP0046635B1 (de) | 1985-07-03 |
HU188074B (en) | 1986-03-28 |
PT73478B (en) | 1983-11-30 |
FI63753B (fi) | 1983-04-29 |
DD201675A5 (de) | 1983-08-03 |
GR67669B (de) | 1981-09-02 |
RO83439B (ro) | 1984-02-28 |
PL232730A1 (de) | 1982-04-26 |
NO155440B (no) | 1986-12-22 |
BG36786A3 (en) | 1985-01-15 |
ES8204425A1 (es) | 1982-05-16 |
DK554580A (da) | 1982-02-22 |
PL133507B1 (en) | 1985-06-29 |
RO83439A (ro) | 1984-02-21 |
CA1164876A (en) | 1984-04-03 |
DE3171202D1 (en) | 1985-08-08 |
NO812813L (no) | 1982-02-22 |
YU201481A (en) | 1984-02-29 |
EP0046635A1 (de) | 1982-03-03 |
NO155440C (no) | 1987-04-01 |
SU1122222A3 (ru) | 1984-10-30 |
JPS5754176A (de) | 1982-03-31 |
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