4-Isopropylphenylboronic acid → HCID 68974707, compound

Participants

Reaction Steps

1-cyclopentylmethyl-7-hydroxy-isoquinoline-3-carboxylic acid methyl ester (prepared in example E-1) was treated with 4-isopropylphenylboronic acid by the general procedure G to yield 7-(4-isopropyl-phenoxy)-1-cyclopentylmethyl-isoquinoline-3-carboxylic acid methyl ester. This ester was hydrolyzed by the general procedure C to afford 7-(4-isopropyl-phenoxy)-1-cyclopentylmethyl-isoquinoline-3-carboxylic acid. This acid was coupled with Compound E-6 by the general procedure A to yield 2(S)-{[1-cyclopentylmethyl-7-(4-isopropyl-phenoxy)-isoquinoline-3-carbonyl-amino}-3-(5-isopropyl-thiophen-2-yl)-propionic acid methyl ester. This ester was hydrolyzed by the general procedure C to afford the title compound.

Provenance & Evidence