ChemicalBook CAS DataBase List TRANS-1,3-PENTADIENE

TRANS-1,3-PENTADIENE synthesis

12synthesis methods

Product Name:TRANS-1,3-PENTADIENE
CAS Number:504-60-9
Molecular formula:C5H8
Molecular Weight:68.12

3174-67-2
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504-60-9
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Yield:504-60-9 76%

Reaction Conditions:

with H₃SiW₁₂O₄₀/SBA in dichloromethane at 300;Temperature;Reagent/catalyst;

Steps:

2.3; 6.3 3. Dehydration reaction and catalyst
Take 2g of reduced product and 10mL of dichloromethane to form a solution, use a syringe pump to drive into the fixed bed reactor, feed rateThe rate is 0.4 mL/min, the reaction temperature is 300 ° C, the carrier gas flow rate is 50 mL/min, and the catalyst is H3SiW12O40/SBA.20%, the loading of the catalyst was 1.0 g.After continuous reaction in a fixed bed, the piperylene is obtained, the conversion rate is 99%, and the product yield of the piperylene is~76%.

References:

Chinese Academy Of Sciences Changchun Applied Chemistry Institute;Qi Yanlong;Bai Chenxi;Cui Long;Dai Quanquan;Dong Wei CN109678642, 2019, A Location in patent:Paragraph 0172; 0178-0180; 0215; 0221-0223

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1569-50-2 Synthesis