天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

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 Methyl beta-D-ribofuranoside
7473-45-2

Methyl beta-D-ribofuranoside synthesis

10synthesis methods
-

Yield:7473-45-2 55 mg

Reaction Conditions:

Stage #1: methanolwith acetyl chloride at 0 - 5; for 0.333333 h;
Stage #2: β-D-ribofuranose at 20; for 24 h;Time;

Steps:

1 (Example 1)

Add 300 ml of anhydrous methanol to a 500 ml single-mouth bottle, cool to 0-5°C in an ice bath, add 5.2 g (20 mol%) of acetyl chloride slowly, incubate and stir for 20 minutes, add 50 g of D-ribose, and raise to room temperature. After 24 hours, the solvent was concentrated to give 55 g of a white solid product, methyl-[beta]-D-nucleoside.

References:

CN106565805,2017,A Location in patent:Paragraph 0027; 0028; 0036; 0037

Methyl beta-D-ribofuranoside Related Search: