成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List TRANS-1,3-PENTADIENE
504-60-9

TRANS-1,3-PENTADIENE synthesis

12synthesis methods
-

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

FullText

TRANS-1,3-PENTADIENE Related Search: