1-((tert-Butoxycarbonyl)amino)cyclopropanecarboxylic acid → (1-{3-[2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-azetidine-1-carbonyl}-cyclopropyl)-carbamic acid tert-butyl ester

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Reaction Steps

The title compound was prepared by a similar procedure to (R)-2-hydroxy-1-{3-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-azetidin-1-yl}-propan-1-one using 1-(Boc-amino)cyclopropane carboxylic acid and DMF to give (1-{3-[2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-azetidine-1-carbonyl}-cyclopropyl)-carbamic acid tert-butyl ester isolated as a white solid (228 mg, 66%). LCMS: RT=4.72 min, [M+H]+=551

Provenance & Evidence