GB1176312A - Improved process for making 3-Methyl-2-Thiophene Carbaldehyde - Google Patents

Improved process for making 3-Methyl-2-Thiophene Carbaldehyde

Info

Publication number
GB1176312A
GB1176312A GB243168A GB243168A GB1176312A GB 1176312 A GB1176312 A GB 1176312A GB 243168 A GB243168 A GB 243168A GB 243168 A GB243168 A GB 243168A GB 1176312 A GB1176312 A GB 1176312A
Authority
GB
United Kingdom
Prior art keywords
methyl
making
improved process
thiophene carbaldehyde
carbaldehyde
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
Application number
GB243168A
Inventor
James William Mcfarland
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 Inc
Original Assignee
Pfizer Inc
Charles Pfizer and Co 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 Inc, Charles Pfizer and Co Inc filed Critical Pfizer Inc
Priority to GB243168A priority Critical patent/GB1176312A/en
Publication of GB1176312A publication Critical patent/GB1176312A/en
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
    • C07D333/14—Radicals substituted by singly bound hetero atoms other than halogen
    • C07D333/16—Radicals substituted by singly bound hetero atoms other than halogen by oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)

Abstract

1,176,312. 3 - Methyl - 2 - thiophene carbaldehyde. CHAS. PFIZER & CO. Inc. 16 Jan., 1968, No. 2431/68. Heading C2C. 3-Methyl-2-thiophene carbaldehyde is prepared by reacting 3-methylthiophene with dichloromethyl methyl ether in the presence of a Friedel-Crafts catalyst at a temperature of from 20‹ to 30‹ C. in a reaction-inert solvent.
GB243168A 1968-01-16 1968-01-16 Improved process for making 3-Methyl-2-Thiophene Carbaldehyde Expired GB1176312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB243168A GB1176312A (en) 1968-01-16 1968-01-16 Improved process for making 3-Methyl-2-Thiophene Carbaldehyde

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB243168A GB1176312A (en) 1968-01-16 1968-01-16 Improved process for making 3-Methyl-2-Thiophene Carbaldehyde

Publications (1)

Publication Number Publication Date
GB1176312A true GB1176312A (en) 1970-01-01

Family

ID=9739466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB243168A Expired GB1176312A (en) 1968-01-16 1968-01-16 Improved process for making 3-Methyl-2-Thiophene Carbaldehyde

Country Status (1)

Country Link
GB (1) GB1176312A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471139A (en) * 1982-05-24 1984-09-11 Pfizer Inc. Processes for making 3-methylthiophene-2-carboxaldehyde and intermediates therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471139A (en) * 1982-05-24 1984-09-11 Pfizer Inc. Processes for making 3-methylthiophene-2-carboxaldehyde and intermediates therefor

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