Réaction #1985

ord-2fa90453573642919084e8719e36a12a

Solvants

Conditions de réaction

Conditions détaillées
See reaction.notes.procedure_details.

Traitement

  1. 1
    AutreThe reaction was quenched by the sequential dropwise addition of 0.35 mL water, 0.35 mL of 15% NaOH and 1.3 mL of water
  2. 2
    workup.STIRRINGthe mixture was stirred for 1 hour
  3. 3
    Filtrationfiltered
  4. 4
    AutreThe filtrate was dried
  5. 5
    Concentrationconcentrated

Mode opératoire

The compound from step 456a (2.32 g) was dissolved in 60 mL of dry THF, 1.12 eq of LAH (1N in dry THF) was added, and the reaction was stirred under N2 for 3 hours. The reaction was quenched by the sequential dropwise addition of 0.35 mL water, 0.35 mL of 15% NaOH and 1.3 mL of water, then the mixture was stirred for 1 hour and filtered. The filtrate was dried and concentrated to give 2.2 g of the title compound.

Source

DOI: 10.6084/m9.figshare.5104873.v1Brevet: US05726182uspto-grants-1998_03