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!

ChemicalBook CAS DataBase List Hexanoicacid, 3-(2-amino-2-oxoethyl)-5-methyl-, (3S)-
181289-34-9

Hexanoicacid, 3-(2-amino-2-oxoethyl)-5-methyl-, (3S)- synthesis

9synthesis methods
181289-25-8 Synthesis
(3S)-3-(2-methoxy-2-oxoethyl)-5-methylhexanoic acid

181289-25-8
14 suppliers
inquiry

Hexanoicacid, 3-(2-amino-2-oxoethyl)-5-methyl-, (3S)-

181289-34-9
47 suppliers
inquiry

-

Yield: 22.3 g

Reaction Conditions:

with ammonium hydroxide at 40; for 48 h;

Steps:

11.2
Step 2: The residual liquid (formula 9) obtained in the above step 1 is added with 320 g of 25% ammonia water and reacted at 40 ° C for 48 hours to complete.The reaction solution was adjusted to pH 1-2 with hydrochloric acid, cooled to 5 ° C and stirred for one hour, filtered,The filter cake was washed and dried, and then refined with ethyl acetate to obtain 22.3 g of a white solid (formula 10).

References:

Huanggang Luban Pharmaceutical Co., Ltd.;Yang Xiaolong;Pei Pibing;Zhang Jianjun;Yang Tiebo;Chen Qian CN110483317, 2019, A Location in patent:Paragraph 0180; 0182

181289-25-8 Synthesis
(3S)-3-(2-methoxy-2-oxoethyl)-5-methylhexanoic acid

181289-25-8
14 suppliers
inquiry

181289-33-8 Synthesis
(R)-(-)-3-Carbamoymethyl-5-methylhexanoic acid

181289-33-8
356 suppliers
$8.00/5g

Hexanoicacid, 3-(2-amino-2-oxoethyl)-5-methyl-, (3S)-

181289-34-9
47 suppliers
inquiry

181289-15-6 Synthesis
3-Carbamoymethyl-5-methylhexanoic acid

181289-15-6
323 suppliers
$9.00/5g

Hexanoicacid, 3-(2-amino-2-oxoethyl)-5-methyl-, (3S)-

181289-34-9
47 suppliers
inquiry

Hexanoicacid, 3-(2-amino-2-oxoethyl)-5-methyl-, (3S)- Related Search: