IT1089132B - Procedimento di preparazione di tiofeni - Google Patents
Procedimento di preparazione di tiofeniInfo
- Publication number
- IT1089132B IT1089132B IT30729/77A IT3072977A IT1089132B IT 1089132 B IT1089132 B IT 1089132B IT 30729/77 A IT30729/77 A IT 30729/77A IT 3072977 A IT3072977 A IT 3072977A IT 1089132 B IT1089132 B IT 1089132B
- Authority
- IT
- Italy
- Prior art keywords
- thiophenes
- procedure
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/08—Hydrogen atoms or radicals containing only hydrogen and carbon atoms
- C07D333/10—Thiophene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/08—Hydrogen atoms or radicals containing only hydrogen and carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
- C07D333/54—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/72—Benzo[c]thiophenes; Hydrogenated benzo[c]thiophenes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7638842A FR2375227A1 (fr) | 1976-12-23 | 1976-12-23 | Procede de preparation de thiophenes |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1089132B true IT1089132B (it) | 1985-06-18 |
Family
ID=9181451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT30729/77A IT1089132B (it) | 1976-12-23 | 1977-12-15 | Procedimento di preparazione di tiofeni |
Country Status (10)
Country | Link |
---|---|
US (1) | US4143052A (it) |
JP (1) | JPS5379855A (it) |
BE (1) | BE861486A (it) |
DE (1) | DE2757816A1 (it) |
FR (1) | FR2375227A1 (it) |
GB (1) | GB1585647A (it) |
IT (1) | IT1089132B (it) |
LU (1) | LU78735A1 (it) |
NL (1) | NL7714177A (it) |
SU (1) | SU793396A3 (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414102A (en) * | 1981-05-15 | 1983-11-08 | Mobil Oil Corporation | Process for reducing nitrogen and/or oxygen heteroatom content of a mineral oil |
DE3433813A1 (de) * | 1984-09-13 | 1986-03-20 | Hoechst Ag, 6230 Frankfurt | Verfahren zur isomerisierung von alkylthiophenen |
DE3643983A1 (de) * | 1986-12-22 | 1988-06-23 | Haar Czogalla Rita Von Der | Verfahren zur herstellung von thiophenen aus (alpha)-methylenketonen im eintopfverfahren und mittels des verfahrens hergestellte neue anellierte thiophene |
FR2666336B1 (fr) * | 1990-08-29 | 1994-09-02 | Elf Aquitaine | Procede de fabrication du thiophene. |
US6225261B1 (en) | 1992-02-24 | 2001-05-01 | Halliburton Energy Services, Inc. | Composition and method for controlling precipitation when acidizing wells |
US5622919A (en) * | 1992-02-24 | 1997-04-22 | Halliburton Company | Composition and method for controlling precipitation when acidizing wells |
JP3259206B2 (ja) * | 1993-09-27 | 2002-02-25 | イハラケミカル工業株式会社 | 2−置換ベンゾ[b]チオフェンの製造法 |
US5514289A (en) * | 1995-04-13 | 1996-05-07 | Mobil Oil Corporation | Dihydrobenzothiophenes as antioxidant and antiwear additives |
US5723629A (en) * | 1995-06-28 | 1998-03-03 | Shell Research Limited | Thiophene synthesis |
KR20010020380A (ko) * | 1997-04-30 | 2001-03-15 | 피터 지. 스트링거 | 벤조[b]티오펜의 제조 방법 및 중간체 |
US6534448B1 (en) | 2000-11-02 | 2003-03-18 | Halliburton Energy Services, Inc. | Composition and method for acidizing wells and equipment without damaging precipitation |
US6415865B1 (en) * | 2001-03-08 | 2002-07-09 | Halliburton Energy Serv Inc | Electron transfer agents in well acidizing compositions and methods |
US6653260B2 (en) | 2001-12-07 | 2003-11-25 | Halliburton Energy Services, Inc. | Electron transfer system for well acidizing compositions and methods |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2558507A (en) * | 1945-09-05 | 1951-06-26 | Shell Dev | Production of thiophene compounds from mono-olefins and hydrogen sulfide with alumina catalyst |
GB1434724A (en) * | 1972-04-17 | 1976-05-05 | Rech Et Dapplications Scient S | Spasmolytic medicines comprising a vidiquil derivative |
US3939179A (en) * | 1973-08-29 | 1976-02-17 | Pennwalt Corporation | Continuous production of thiophene from butane |
-
1976
- 1976-12-23 FR FR7638842A patent/FR2375227A1/fr active Granted
-
1977
- 1977-12-05 BE BE183153A patent/BE861486A/xx unknown
- 1977-12-15 US US05/860,828 patent/US4143052A/en not_active Expired - Lifetime
- 1977-12-15 IT IT30729/77A patent/IT1089132B/it active
- 1977-12-21 NL NL7714177A patent/NL7714177A/xx not_active Application Discontinuation
- 1977-12-21 JP JP15301177A patent/JPS5379855A/ja active Pending
- 1977-12-21 SU SU772556953A patent/SU793396A3/ru active
- 1977-12-21 GB GB53274/77A patent/GB1585647A/en not_active Expired
- 1977-12-21 LU LU78735A patent/LU78735A1/xx unknown
- 1977-12-23 DE DE19772757816 patent/DE2757816A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
SU793396A3 (ru) | 1980-12-30 |
FR2375227B1 (it) | 1979-04-13 |
NL7714177A (nl) | 1978-06-27 |
BE861486A (fr) | 1978-06-05 |
GB1585647A (en) | 1981-03-11 |
LU78735A1 (it) | 1978-07-11 |
FR2375227A1 (fr) | 1978-07-21 |
DE2757816A1 (de) | 1978-07-06 |
JPS5379855A (en) | 1978-07-14 |
US4143052A (en) | 1979-03-06 |
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