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ChemicalBook CAS DataBase List 2,8-DIAZA-SPIRO[4.5]DECANE-8-CARBOXYLIC ACID TERT-BUTYL ESTER
236406-39-6

2,8-DIAZA-SPIRO[4.5]DECANE-8-CARBOXYLIC ACID TERT-BUTYL ESTER synthesis

6synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 5 steps
1.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
1.2: 20 °C
2.1: osmium(VIII) oxide / water; tetrahydrofuran / 0.08 h
2.2: 3 h / 20 °C
3.1: sodium tris(acetoxy)borohydride / tetrahydrofuran / 20 °C
4.1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / -20 - 20 °C
5.1: ammonium formate; palladium 10% on activated carbon / methanol / 1 h / Reflux

References:

SHIRE INTERNATIONAL GMBH;CREMONESI, Susanna;LUKER, Tim;SEMERARO, Teresa;MICHELI, Fabrizio WO2016/42452, 2016, A1

FullText

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