一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

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!

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
16 suppliers
inquiry

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

181289-34-9
48 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
16 suppliers
inquiry

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

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

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

181289-34-9
48 suppliers
inquiry

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

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

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

181289-34-9
48 suppliers
inquiry

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

泌阳县| 浦东新区| 岫岩| 东乌珠穆沁旗| 天峨县| 通州市| 东兰县| 黑龙江省| 昌黎县| 通辽市| 抚远县| 黄浦区| 宁德市| 封丘县| 西乌珠穆沁旗| 新乡市| 海城市| 德清县| 通州区| 苍溪县| 云梦县| 邢台县| 吴旗县| 龙岩市| 固阳县| 二连浩特市| 淄博市| 大庆市| 原平市| 桃园县| 盘山县| 基隆市| 元阳县| 精河县| 时尚| 门源| 新源县| 保定市| 全椒县| 棋牌| 阿城市|