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 5-AMINO-1-BOC-3',4',5',6'-TETRAHYDRO-2'H-[2,4']BIPYRIDINYL
885693-48-1

5-AMINO-1-BOC-3',4',5',6'-TETRAHYDRO-2'H-[2,4']BIPYRIDINYL synthesis

3synthesis methods
-

Yield:885693-48-1 100%

Reaction Conditions:

with hydrogen;palladium on activated carbon in methanol at 20; under 760.051 Torr; for 18 h;

Steps:

54.b

A solution of 226 mg (0.740 mmol) 5-nitro-3',6'-dihydro-2'H-[2,4']bipyridinyl-r- carboxylic acid tert-butyl ester (as prepared in the previous step) in 15 mL MeOH was treated with 110 mg 10 % Pd/C (Degussa type E101-NE/W, Aldrich, 50 % by weight water) and 1 atm H2 at room temperature for 18 h. The mixture was filtered through Celite, and the filter cake was washed with MeOH. Concentration afforded 220 mg (107 %) of the title compound as a colorless glassy solid. Mass spectrum (ESI, m/z): Calcd. for Ci5H23N3O2, 278.2 (M+H), found 278.0.

References:

WO2006/47277,2006,A2 Location in patent:Page/Page column 121

5-AMINO-1-BOC-3',4',5',6'-TETRAHYDRO-2'H-[2,4']BIPYRIDINYL Related Search: