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 N-HYDROXYCYCLOHEXANECARBOXIMIDAMIDE
633313-98-1

N-HYDROXYCYCLOHEXANECARBOXIMIDAMIDE synthesis

1synthesis methods
-

Yield:633313-98-1 76.9%

Reaction Conditions:

with hydroxylamine hydrochloride;sodium hydrogencarbonate in isopropyl alcohol at 80 - 85;

Steps:

59

To a solution of 1 .9 g (27.4 mmol) of hydroxylamine hydrochloride in 22 mL of isopropyl alcohol, 3.3 g (40.3 mmol) of sodium bicarbonate was added. The resulting mixture was stirred at 25 °C to 30 °C for 10 - 15 min. 2.0 g (18.3 mmol) of cyclohexanecarbonitrile was added and stirred at 80 °C to 85 °C for 3 - 4 h. After the reaction period, the reaction mass was cooled to 25 °C to 30 °C, filtered and washed with 10 mL of isopropyl alcohol. The filtrate was collected and distilled out completely to obtain a crude residue. The residue was chased with 5 mL of toluene, to yield the title compound.Yield: 2.0 g (76.9 %)

References:

WO2011/104680,2011,A1 Location in patent:Page/Page column 95

N-HYDROXYCYCLOHEXANECARBOXIMIDAMIDE Related Search:

奉贤区| 茌平县| 河池市| 内江市| 炉霍县| 延庆县| 革吉县| 读书| 渝中区| 汉寿县| 长汀县| 沁阳市| 古交市| 桦川县| 黄浦区| 井研县| 白玉县| 大关县| 宝山区| 彩票| 精河县| 大宁县| 合阳县| 长阳| 清水河县| 兴安盟| 贵南县| 靖边县| 南康市| 祁连县| 喀什市| 亳州市| 阳春市| 江达县| 榆社县| 青州市| 台中县| 德州市| 新和县| 深水埗区| 资溪县|