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 N-Hydroxy-1,8-naphthalimide
7797-81-1

N-Hydroxy-1,8-naphthalimide synthesis

4synthesis methods
-

Yield:7797-81-1 97.1%

Reaction Conditions:

with hydroxyamino hydrochloride;sodium hydroxide in lithium hydroxide monohydrate;Reflux;

Steps:

1.2 Preparation of N-hydroxynaphthalimide

To a 250 mL three-necked flask were added 19.8 g (0.1 mol) of naphthalic anhydride and 8.34 g (0.12 mol) of hydroxylamine hydrochloride, 4.8 g (0.1 mol) of sodium hydroxide and 150 mL of water as a solvent, stirred under reflux and TLC After cooling, suction filter orange-red solid, drying, get 20.7g, yield 97.1%.

References:

CN106831579,2017,A Location in patent:Paragraph 0017; 0021-0023

N-Hydroxy-1,8-naphthalimide Related Search: