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!

181937-07-5

6-Butylnicotinaldehyde synthesis

2synthesis methods
4426-47-5 Synthesis
n-Butylboronic acid

4426-47-5
352 suppliers
$6.00/1g

149806-06-4 Synthesis
2-Bromopyridine-5-carbaldehyde

149806-06-4
433 suppliers
$5.00/1g

6-Butylnicotinaldehyde

181937-07-5
7 suppliers
inquiry

-

Yield:181937-07-5 55%

Steps:

8

Reagents: i) 1-Butaneboronic acid, 55%; ii) Ethyl acrylate ; iii) NaOH, total yield of the two steps was ~60%.LC/MS data of 2805D - Calculated MW is 219; observed (the peak of 20.9 min): 220[M+H].Gradient: 0-5 min: 2% ACN; 5-20 min: 2-30% ACN; 20-35 min: 30-98% ACN.

References:

WO2008/16968,2008,A2 Location in patent:Page/Page column 71

29786-93-4 Synthesis
Butane, lithium deriv. (8CI)

29786-93-4
0 suppliers
inquiry

149806-06-4 Synthesis
2-Bromopyridine-5-carbaldehyde

149806-06-4
433 suppliers
$5.00/1g

6-Butylnicotinaldehyde

181937-07-5
7 suppliers
inquiry