Cis-trans isomerization of olefinic compounds by photoinduced catalysis
Patent
·
OSTI ID:5514028
A method is described of isomerizing a cis- or trans-olefinic compound or a mixture thereof by photoinduced catalysis to the photostationary state with respect to the ratio of the cis-isomer to the trans-isomer. The catalytic species is capable of catalyzing the isomerization is produced by the indirect photolysis of COS. The improvement described here consists of effecting the photolysis of COS in the presence of a photosensitizer for the production of the catalytic species. The photosensitizer consists of a compound capable of absorbing light of wavelengths above about 250 nm and thereafter collisionally dissociating COS to produce the catalytic species.
- Assignee:
- Olin Corp., Cheshire, CT
- Patent Number(s):
- US 4596643
- OSTI ID:
- 5514028
- Resource Relation:
- Patent File Date: Filed date 8 Apr 1985
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ALKENES
ISOMERIZATION
CARBON OXYSULFIDE
PHOTOLYSIS
CATALYSTS
CATALYSIS
QUANTITY RATIO
WAVELENGTHS
CARBON COMPOUNDS
CHEMICAL REACTIONS
DECOMPOSITION
HYDROCARBONS
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
SULFUR COMPOUNDS
400301* - Organic Chemistry- Chemical & Physicochemical Properties- (-1987)
400500 - Photochemistry
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ALKENES
ISOMERIZATION
CARBON OXYSULFIDE
PHOTOLYSIS
CATALYSTS
CATALYSIS
QUANTITY RATIO
WAVELENGTHS
CARBON COMPOUNDS
CHEMICAL REACTIONS
DECOMPOSITION
HYDROCARBONS
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
SULFUR COMPOUNDS
400301* - Organic Chemistry- Chemical & Physicochemical Properties- (-1987)
400500 - Photochemistry