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 Tetrahydropyran
142-68-7

Tetrahydropyran synthesis

15synthesis methods
-

Yield:142-68-7 270 mg

Reaction Conditions:

with hydrogen at 120; under 30003 Torr; for 48 h;

Steps:

8 Example 8

Weigh 2.0 g, weigh 2.0 mg of Cp*Ir catalyst, and its ligand structure is: the anion is OTf. The system hydrogen pressure was 4 MPa, the temperature was 120 ° C, and the reaction time was 48 hours. The final product was analyzed by gas-mass spectrometry to give a tetrahydropyran of 270 mg.

References:

CN109836402,2019,A Location in patent:Paragraph 0030-0031

Tetrahydropyran Related Search: