Способ получения 2,3'-дитиенила
Patents
Language: |
Русский |
Type: |
Invention |
Number |
SU 602502 A1 |
Request number: |
2336024/23-04 |
Request date: |
Mar 12, 1976 |
patent.field.start_date: |
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Registration date: |
Apr 15, 1978 |
patent.field.request_publication_date: |
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Authors |
Кожевников И.В.
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Affiliations |
1 |
Boreskov Institute of Catalysis SB RAS
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2,3'-Dithienyl was prepd. by oxidative coupling of thiophene at 69-100° in the presence of 0.01-0.1 mol/L PdSO4 or Pd(ClO4)2, 0.2-0.4 mol/L Fe2(SO4)3 or Fe(ClO4)3, and 3.4-4 mol/L H2SO4 or HClO4.