ES522636A0 - Un procedimiento para la preparacion de 3-metil-tiofen-2-carboxaldehido - Google Patents

Un procedimiento para la preparacion de 3-metil-tiofen-2-carboxaldehido

Info

Publication number
ES522636A0
ES522636A0 ES522636A ES522636A ES522636A0 ES 522636 A0 ES522636 A0 ES 522636A0 ES 522636 A ES522636 A ES 522636A ES 522636 A ES522636 A ES 522636A ES 522636 A0 ES522636 A0 ES 522636A0
Authority
ES
Spain
Prior art keywords
carboxaldehyde
methylthiophene
methyl vinyl
vinyl ketone
mercaptoacetaldehyde
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.)
Granted
Application number
ES522636A
Other languages
English (en)
Other versions
ES8406466A1 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PFIZER
Pfizer Inc
Original Assignee
PFIZER
Pfizer Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PFIZER, Pfizer Inc filed Critical PFIZER
Publication of ES522636A0 publication Critical patent/ES522636A0/es
Publication of ES8406466A1 publication Critical patent/ES8406466A1/es
Expired legal-status Critical Current

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
    • C07D333/22—Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
ES522636A 1982-05-24 1983-05-23 Un procedimiento para la preparacion de 3-metil-tiofen-2-carboxaldehido Expired ES8406466A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/381,596 US4471139A (en) 1982-05-24 1982-05-24 Processes for making 3-methylthiophene-2-carboxaldehyde and intermediates therefor

Publications (2)

Publication Number Publication Date
ES522636A0 true ES522636A0 (es) 1984-08-01
ES8406466A1 ES8406466A1 (es) 1984-08-01

Family

ID=23505634

Family Applications (1)

Application Number Title Priority Date Filing Date
ES522636A Expired ES8406466A1 (es) 1982-05-24 1983-05-23 Un procedimiento para la preparacion de 3-metil-tiofen-2-carboxaldehido

Country Status (9)

Country Link
US (1) US4471139A (es)
EP (1) EP0095340B1 (es)
JP (3) JPS58213750A (es)
AT (1) ATE21395T1 (es)
DE (1) DE3365276D1 (es)
DK (2) DK173998B1 (es)
ES (1) ES8406466A1 (es)
GR (1) GR79273B (es)
IE (1) IE55116B1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW237454B (es) * 1992-10-29 1995-01-01 Sumitomo Chemical Co
KR100553398B1 (ko) * 2004-03-12 2006-02-16 한미약품 주식회사 티에노[3,2-ｃ]피리딘 유도체의 제조 방법 및 이에사용되는 중간체

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741622A (en) * 1951-12-03 1956-04-10 Monsanto Chemicals Preparation of thiophene-2-aldehydes
GB1176312A (en) * 1968-01-16 1970-01-01 Pfizer & Co C Improved process for making 3-Methyl-2-Thiophene Carbaldehyde
US3742063A (en) * 1970-12-24 1973-06-26 Eastman Kodak Co Dihydroxybutanones
JPS5832436B2 (ja) * 1976-06-23 1983-07-13 工業技術院長 通路パタ−ン認識装置における走査誤差較正方式
DE3021516A1 (de) * 1980-06-07 1981-12-24 Bayer Ag, 5090 Leverkusen 4-substituierte 3,3-dimethyl-butan-2-one, verfahren zu ihrer herstellung sowie ihre verwendung als zwischenprodukte

Also Published As

Publication number Publication date
EP0095340B1 (en) 1986-08-13
IE55116B1 (en) 1990-06-06
IE831201L (en) 1983-11-24
ATE21395T1 (de) 1986-08-15
EP0095340A1 (en) 1983-11-30
JPS63233970A (ja) 1988-09-29
DK168626B1 (da) 1994-05-09
DK149891D0 (da) 1991-08-23
DE3365276D1 (en) 1986-09-18
JPH01125377A (ja) 1989-05-17
DK173998B1 (da) 2002-04-02
DK226683D0 (da) 1983-05-20
GR79273B (es) 1984-10-22
DK149891A (da) 1991-08-23
JPS58213750A (ja) 1983-12-12
JPH0149715B2 (es) 1989-10-25
US4471139A (en) 1984-09-11
ES8406466A1 (es) 1984-08-01
JPH0417949B2 (es) 1992-03-26
DK226683A (da) 1983-11-25
JPH0123468B2 (es) 1989-05-02

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