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 1H-PYRROLO[2,3-B]PYRIDIN-5-OL
98549-88-3

1H-PYRROLO[2,3-B]PYRIDIN-5-OL synthesis

15synthesis methods
1036007-71-2 Synthesis
5-Benzyloxy-1H-pyrrolo[2,3-b]pyridine

1036007-71-2
3 suppliers
inquiry

-

Yield:98549-88-3 95.5%

Reaction Conditions:

with palladium on activated charcoal;hydrogen in methanol;

Steps:

8 Preparation of 5-hydroxy-7-azaindole

Add 22.4g of 5-benzyloxy-7-azaindole to the hydrogenation bottle, dissolve it with methanol, add 1.1g of palladium carbon, replace the air in the hydrogenation bottle with hydrogen, and then add hydrogen. Stop the reaction after the pressure in the bottle does not change The palladium carbon was removed by filtration, and the organic solvent was swirled to obtain a crude product, which was washed with n-heptane to obtain 12.8 g of a refined product with a yield of 95.5%

References:

CN110922404,2020,A Location in patent:Paragraph 0051-0054

1H-PYRROLO[2,3-B]PYRIDIN-5-OL Related Search: