午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

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 DIMETHYL 9,10-PHENANTHRENEDICARBOXYLATE
15810-16-9

DIMETHYL 9,10-PHENANTHRENEDICARBOXYLATE synthesis

10synthesis methods
-

Yield:15810-16-9 70%

Reaction Conditions:

with dipotassium peroxodisulfate;silver carbonate in fluorobenzene;water at 60; for 0.5 h;Solvent;Reagent/catalyst;

Steps:

1-7 Example 7:

0.049g (0.4mmol) phenylboronic acid 1a, 0.029g (0.2mmol) dimethyl butyne dicarboxylate2a,). 016g (0.006mmol) silver carbonate, 0.216g (0.8mmol) potassium persulfate, 2mL fluorobenzene and water (3: 1)In a 10ml thick-walled pressure-resistant tube, under 60C in an oil bath, the reaction was magnetically stirred for 0.5h, and the reaction progress was monitored by TLC. End of reactionAfter that, column chromatography separated to obtain 9,10-phenanthrenedicarboxylic acid dimethyl 3a as a white solid, 41 mg, and the yield was 70%.

References:

CN110683949,2020,A Location in patent:Paragraph 0019-0032

DIMETHYL 9,10-PHENANTHRENEDICARBOXYLATE Related Search: