午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

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 2-METHYL-2-(4-NITROPHENYL)-PROPIONIC ACID
42206-47-3

2-METHYL-2-(4-NITROPHENYL)-PROPIONIC ACID synthesis

8synthesis methods
-

Yield:42206-47-3 100%

Reaction Conditions:

with hydrogenchloride in tetrahydrofuran;water; for 20 h;Heating / reflux;

Steps:

78.B

To a solution of 2-(4-nitro-phenyl)-isobutyramide (538 mg; 2.59 mmol), prepared as in 78(A), in THF (25 mL), was added 37% HCl (5 mL) and the resulting reaction was refluxed for 20 hours. Then, the solution was concentrated under vacuum and the residue was portioned between DCM and water. The organic layer was dried (Na2SO4), filtered and evaporate under vacuum to give the title compound as a white solid (512 mg; quantitative yield).LCMS (RT): 3.1 min (Method A); MS (ES+) gave m/z: 210.00 (MH+).

References:

WO2008/117175,2008,A2 Location in patent:Page/Page column 124

2-METHYL-2-(4-NITROPHENYL)-PROPIONIC ACID Related Search: