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!

85817-61-4

2-CHLORO-N-(2-METHOXY-5-METHYLPHENYL)ACETAMIDE synthesis

2synthesis methods
-

Yield: 28.2 parts (66%)

Reaction Conditions:

in water

Steps:

XXI Example XXI
Example XXI To a stirred solution of 49.2 parts of 2-methoxy-5-methylbenzenamine and 270 parts of methylbenzene were added dropwise 22.5 parts of 2-chloroacetyl chloride while cooling (ice-bath) at 10°-20° C. Upon completion, stirring was continued for 1.50 hours at room temperature. 200 Parts of water were added. The organic phase was separated, washed with water, dried, filtered and evaporated. The oily residue was crystallized from 2,2'-oxybispropane. The product was filtered off and dried, yielding 28.2 parts (66%) of 2-chloro-N-(2-methoxy-5-methylphenyl)acetamide; mp. 83.9° C. (intermediate 66).

References:

Janssen Pharmaceutica N.V. US4766125, 1988, A