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 1-ACETYL-2-THIOHYDANTOIN
584-26-9

1-ACETYL-2-THIOHYDANTOIN synthesis

3synthesis methods
-

Yield:584-26-9 76%

Reaction Conditions:

with acetic acid at 100; for 0.666667 h;

Steps:

2 Preparation of 1-acetylthiohydantoin (5a)

Glycine (1.28 g, 11 mmol) and thiocyanic acid (0.76 g, 10 mmol) were dissolved in 15 mL of acetic anhydride. To this was added 1 mL of glacial acetic acid and then heated to 100°C with stirring for 40min. It was cooled and poured into 100 mL of ice water. A yellow solid precipitated. It was washed and recrystallized with ethanol. It was dried to give a pale yellow solid, 1.2 g, yield 76%.

References:

CN105884712,2016,A Location in patent:Paragraph 0082; 0083; 0084

1-ACETYL-2-THIOHYDANTOIN Related Search:

镇赉县| 石河子市| 视频| 伊宁市| 宁远县| 永年县| 稷山县| 玉林市| 青铜峡市| 云浮市| 花莲市| 宜春市| 镇康县| 军事| 通化县| 广宗县| 铜川市| 呼图壁县| 富裕县| 宿松县| 柘荣县| 平远县| 吉首市| 祁东县| 太康县| 濮阳县| 舞钢市| 成武县| 峡江县| 合阳县| 筠连县| 谷城县| 石泉县| 郴州市| 当雄县| 萨迦县| 武邑县| 湘乡市| 江安县| 伊宁市| 南和县|