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 3-CHLORO-2,6-DIMETHOXYBENZOIC ACID, 97
36335-47-4

3-CHLORO-2,6-DIMETHOXYBENZOIC ACID, 97 synthesis

2synthesis methods
-

Yield:36335-47-4 80%

Reaction Conditions:

with N-chloro-succinimide;2,2,6,6-tetramethylpiperidin-1-oxoammonium trifluoromethanesulfonate in chloroform at 25; for 12 h;Schlenk technique;Reagent/catalyst;

Steps:

28.a-28.b

b) Take a 25mL Schlenk reaction tube and add 91.1mg of 2,6-dimethoxybenzoic acid, 79.8mg of N-chlorosuccinimide, 30.1mg of [TEMPO][OTf], 2mL of chloroform, at 25 Stir for 12 hours.After the reaction, the solvent was removed by rotary evaporation and column chromatography was separated to obtain 86.6 mg of 3-chloro-2,6-dimethoxybenzoic acid with a yield of 80%.

References:

CN112573978,2021,A Location in patent:Paragraph 0197-0201

3-CHLORO-2,6-DIMETHOXYBENZOIC ACID, 97 Related Search: