Reacción #2383813

ord-b9300899386e49cc9486c4db8c8e84c1

Ecuación de reacción

O=c1onc2n1C(CCCO)CCCC2
product
O=c1onc2n1C(CCCO)CCCC2
6,7,8,9-tetrahydro-5-(3-hydroxypropyl)-3H,5H-[1,2,4]oxadiazolo[4,3-a]azepin-3-one
BrC(Br)(Br)Br
carbon tetrabromide
c1ccc(P(c2ccccc2)c2ccccc2)cc1
triphenylphosphine
O=c1onc2n1C(CCCBr)CCCC2
title compound
O=c1onc2n1C(CCCBr)CCCC2
5-(3-bromopropyl)-6,7,8,9-tetrahydro-3H,5H-[1,2,4]oxadiazolo[4,3-a]azepin-3-one

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    Otrothe solvent is removed under reduced pressure
  2. 2
    workup.DISSOLUTIONThe crude product is dissolved in an eluting solvent system
  3. 3
    Otrochromatographed

Procedimiento

To a solution of the product of Example 11 in methylene chloride at 0° C. is added carbon tetrabromide and triphenylphosphine. The reaction is stirred for 2 hours and the solvent is removed under reduced pressure. The crude product is dissolved in an eluting solvent system and chromatographed to afford the title compound.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US06489323B1uspto-grants-2002_12