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 6-NITRO-BENZOOXAZOLE-2-THIOL
14541-93-6

6-NITRO-BENZOOXAZOLE-2-THIOL synthesis

4synthesis methods
-

Yield: 78%

Reaction Conditions:

with pyridine at 120; for 8 h;

Steps:

15.A Step A
2-amino nitrophenol (1 g, 6.48 mmol) was taken in pyridine, added potassium ethyl xanthate (1.14 g, 7.13 mmol). The mixture was heated at 120 °Cfor 8 h. After the completion of reaction, the mixture was acidified with 1.5N HCI. The solid obtained was collected by filtration and dried under vacuum to afford the title compound as yellow solid (1 g, 78%). MS: 197.18 (M+H)+.

References:

AC IMMUNE SA;NAMPALLY, Sreenivasachary;GABELLIERI, Emanuele;MOLETTE, Jerome;KROTH, Heiko;BOUDOU, Cedric WO2019/233745, 2019, A1 Location in patent:Page/Page column 45

6-NITRO-BENZOOXAZOLE-2-THIOL Related Search:

黑龙江省| 大姚县| 文昌市| 大冶市| 苗栗县| 通河县| 开化县| 邵武市| 峡江县| 鄄城县| 且末县| 昌都县| 漾濞| 交城县| 瑞金市| 鹿邑县| 定南县| 扬州市| 阜城县| 抚顺市| 镇沅| 华阴市| 辽阳县| 甘谷县| 前郭尔| 城口县| 辽阳县| 垫江县| 葵青区| 宜良县| 四子王旗| 靖州| 资溪县| 中江县| 宁河县| 揭阳市| 苗栗县| 徐水县| 邵武市| 个旧市| 鲜城|