Reacción #50625

Ecuación de reacción

Fumarate

8-(3-chloropropoxy)-2,3-dihydro-7-methoxy-cyclopenta[c][1]benzopyran-4(1H)-one

1-(2-methoxyphenyl)piperazine hydrochloride

chloroform

→

2,3-dihydro-7-methoxy-8-{3-[4-(2-methoxyphenyl)-1-piperazinyl]propoxy}cyclopenta[c][1]benzopyran-4(1H)-one

Rendimiento 56.0%

Disolventes

ethanol

acetone

Condiciones de reacción

Tratamiento posterior

1. 1
   OtroMethod A (40 h at 50° C.)

Procedimiento

Method A (40 h at 50° C.); starting materials: 8-(3-chloropropoxy)-2,3-dihydro-7-methoxy-cyclopenta[c][1]benzopyran-4(1H)-one (example 83) and 1-(2-methoxyphenyl)piperazine hydrochloride; yield 56%; fusion point 177°-178° C. (from chloroform and ethanol). Fumarate: method E; yield 87%; fusion point 173°-174° C. (from acetone).

Fuente