成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
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-NITROSO-5-DIETHYLAMINOPHENOL HYDROCHLORIDE
25953-06-4

2-NITROSO-5-DIETHYLAMINOPHENOL HYDROCHLORIDE synthesis

4synthesis methods
-

Yield: 71%

Reaction Conditions:

in propan-1-ol

Steps:

1 5-Diethylamino-2-nitrosophenol hydrochloride
EXAMPLE 1 5-Diethylamino-2-nitrosophenol hydrochloride 0.1 mol of 3-diethylaminophenol are dissolved in 50 ml of n-propanol saturated with gaseous hydrogen chloride and, at 0° C., admixed dropwise and with stirring with 0.1 mol of isoamyl nitrite. Stirring is continued for another hour and the reaction solution is then admixed with diethyl ether, and the product which is formed is isolated by filtration with suction. Yield: 71%, m.p.: 175-177° C.

References:

Siemens Aktiengesellschaft US6284889, 2001, B1

2-NITROSO-5-DIETHYLAMINOPHENOL HYDROCHLORIDE Related Search: