반응 #8861

ord-e1ccb3f7a4454efaa02b3ba0424b4745

반응 방정식

CCC(O)C1C(O)CCC12CCN(C(=O)OC(C)(C)C)CC2
tert-butyl 1-(1-hydroxyprop-1-yl)-2-hydroxy-8-azaspiro[4.5]decane-8-carboxylate
CCC(O)C1C(O)CCC12CCN(C(=O)OC(C)(C)C)CC2
tert-Butyl 1-(1-hydroxyprop-1-yl)-2-hydroxy-8-azaspiro[4.5]decane-8-carboxylate
CC(C)=O.O=S(=O)(O)O.[O]=[Cr](=[O])=[O]
Jones reagent
CCC(=O)C1C(=O)CCC12CCN(C(=O)OC(C)(C)C)CC2
title compound
수율 66.7%
CCC(=O)C1C(=O)CCC12CCN(C(=O)OC(C)(C)C)CC2
tert-Butyl 1-(1-oxoprop-1-yl)-2-oxo-8-azaspiro[4.5]decane-8-carboxylate
수율 66.7%

용매

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타was then quenched with isopropanol
  2. 2
    workup.ADDITIONThe mixture was diluted with water
  3. 3
    추출extracted three times with methylene chloride
  4. 4
    세척The combined organic layers were washed with brine
  5. 5
    건조dried over sodium sulfate
  6. 6
    여과filtered
  7. 7
    농축concentrated
  8. 8
    기타The residue was purified by flash chromatography
  9. 9
    세척eluting with 20% ethyl acetate in hexanes

실험 절차

To a solution of tert-butyl 1-(1-hydroxyprop-1-yl)-2-hydroxy-8-azaspiro[4.5]decane-8-carboxylate (0.050 g, 0.16 mmol) from Step E in acetone (2 mL) at 0° C. was added 2.6M Jones reagent (0.122 mL, 0.32 mmol). The reaction was stirred at room temperature for 10 min and was then quenched with isopropanol. The mixture was diluted with water and extracted three times with methylene chloride. The combined organic layers were washed with brine, dried over sodium sulfate, filtered, and concentrated. The residue was purified by flash chromatography eluting with 20% ethyl acetate in hexanes to afford the title compound (0.033 g).

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US07091211B2uspto-grants-2006_08