반응 #75621

ord-c90b274ab8f645e7a8d702384fae3f33

용매

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    여과the resulting crystals were collected by filtration

실험 절차

1.16 g of tert-butyl 3-oxo-2-oxa-8-azaspiro[4.5]decane-8-carboxylate was dissolved in 2.3 ml methanol, 4.6 ml of 4 N hydrochloric acid/ethyl acetate was added thereto, and the mixture was stirred at room temperature for 1 hr. 5 ml ethyl acetate was added thereto, and the resulting crystals were collected by filtration to give 700 mg of 3-oxo-2-oxa-8-azaspiro[4.5]decane hydrochloride.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US06699870B2uspto-grants-2004_03