ChemicalBook CAS DataBase List CIS-1,2-DI(2-THIENYL)ETHYLENE

CIS-1,2-DI(2-THIENYL)ETHYLENE synthesis

11synthesis methods

Product Name:CIS-1,2-DI(2-THIENYL)ETHYLENE
CAS Number:18266-94-9
Molecular formula:C10H8S2
Molecular Weight:192.3

23975-15-7 Synthesis

23975-15-7
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18266-94-9
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Yield:18266-94-9 100%

Reaction Conditions:

with hydrogen;diethylamine at 80; under 37503.8 Torr; for 14 h;Autoclave;Reagent/catalyst;Pressure;Temperature;

Steps:

5 Example 5: (Z) -1,2-bis (2-thienyl) ethylene

The added AuNPore (5.0mg, 5mol%)In the autoclave of the catalyst,Diethylamine (5 mL) was added,Substrate 1,2-bis (2-thienyl) acetylene (93.15 mg, 0.5 mmol)Hydrogen (5.0 MPa),Placed in a magnetic stirrer at 80 ° C for 14 h,Column chromatography (silica gel,200-300 mesh; development agent,Petroleum ether) to obtain 95.4 mg of (Z) -1,2-bis (2-thienyl)Yield 100%.

References:

CN104926577,2017,B Location in patent:Paragraph 0039; 0040; 0041; 0042; 0043; 0044; 0045; 0046