天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

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 tert-butyl 3,8-diazabicyclo[3.2.1]octane-3-carboxylate
201162-53-0

tert-butyl 3,8-diazabicyclo[3.2.1]octane-3-carboxylate synthesis

4synthesis methods
201162-52-9 Synthesis
tert-butyl 8-benzyl-3,8-diaza-bicyclo[3.2.1]octane-3-carboxylate

201162-52-9
15 suppliers
inquiry

-

Yield:201162-53-0 100%

Reaction Conditions:

with hydrogen;palladium 10% on activated carbon in ethanol; under 760.051 Torr; for 18 h;

Steps:

23.B 3,8-Diaza-bicyclo[3.2.1]octane-3-carboxylic Acid tert-butyl Ester

Example 23B 3,8-Diaza-bicyclo[3.2.1]octane-3-carboxylic Acid tert-butyl Ester A solution of the product of Example 23A (0.62 g. 0.12 mmol) in EtOH (10 mL) was stirred with Pd/C (Aldrich, 60 mg, 10 wt %) under 1 atmosphere of H2 (balloon) for 18 h. The mixture was filtered, concentrated and purified by column chromatography (SiO2, 1% NH4OH: 9% CH3OH: 90% CH2Cl2) to provide the title compound (0.44 g, 100% yield). MS (DCl/NH3) m/z 213 (M+H)+.

References:

US2005/101602,2005,A1 Location in patent:Page/Page column 35

tert-butyl 3,8-diazabicyclo[3.2.1]octane-3-carboxylate Related Search: