Réaction #43630

ord-220eb772aa9a42cdbc85e33000ec2cfa

Conditions de réaction

Conditions détaillées
See reaction.notes.procedure_details.

Traitement

  1. 1
    Autrebefore being evaporated
  2. 2
    AutreThe residue was chromatographed on silica eluting with 0-20% methanol in dichloromethane

Mode opératoire

A solution of 7-({[(1,1-dimethylethyl)(dimethyl)silyl]oxy}methyl)-2,3-dihydro-5(1H)-indolizinone (3.93 g, 14.09 mmol) in tetrahydrofuran (100 ml) was treated with acetic acid (1.61 ml, 28.17 mmol) and tetrabutylammonium fluoride (1M in THF, 21 ml, 21.13 mmol) and stirred at room temperature for 1 h before being evaporated. The residue was chromatographed on silica eluting with 0-20% methanol in dichloromethane to give the desired product (1.87 g, 80%)

Source

DOI: 10.6084/m9.figshare.5104873.v1Brevet: US07732461B2uspto-grants-2010_06