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 2-Amino-3-nitrobenzoic acid
606-18-8

2-Amino-3-nitrobenzoic acid synthesis

8synthesis methods
-

Yield:606-18-8 80%

Reaction Conditions:

with ammonia in water at 120; for 7 h;Sealed vessel;

Steps:

12
[0322] 2-Chloro-3-nitrobenzoic acid (20.6 g, 0.24 mol) was dissolved in ammonium hydroxide solution (120 mL) and the reaction mixture stirred at 120° C. in a sealed vessel for 7 hours. The reaction mixture was diluted with water (250 mL) and acidified to pH 2 with hydrochloric acid. The precipitate formed was filtered off and dried in vacuo to yield the title product, 15.0 g (80%). [0323] 1HNMR (CD3OD, 400 MHz): 6.65(dd, 1H), 8.24(dd, 1H), 8.32(dd, 1H).

References:

Pfizer Inc US2005/20626, 2005, A1 Location in patent:Page 17

FullText

2-Amino-3-nitrobenzoic acid Related Search:

忻城县| 伊金霍洛旗| 凯里市| 昌黎县| 山东| 内黄县| 宁化县| 双鸭山市| 青州市| 莫力| 巴林右旗| 松潘县| 新安县| 开化县| 平陆县| 汤原县| 青冈县| 肃南| 玉环县| 乃东县| 晋城| 佛学| 崇明县| 兴安县| 松江区| 商水县| 观塘区| 昆山市| 丹东市| 荣成市| 沈丘县| 聊城市| 张家口市| 沁阳市| 襄汾县| 桃园市| 容城县| 井冈山市| 米易县| 黑龙江省| 义乌市|