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
010-86108875
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!

20041-61-6

2-HYDROXY-3-METHOXY-4-NITROBENZALDEHYDE synthesis

6synthesis methods
7150-01-8 Synthesis
2-ACETOXY-3-METHOXYBENZALDEHYDE  97

7150-01-8
15 suppliers
inquiry

-

Yield:20041-61-6 57%

Reaction Conditions:

Stage #1: 2-acetoxy-3-methoxybenzaldehydewith sulfuric acid;nitric acid at -40; for 0.0833333 h;
Stage #2: with sodium hydroxide in methanol;water at 85; for 2 h;

References:

JP2015/166329,2015,A Location in patent:Paragraph 0074-0075