Benzoic acid, 4-isocyano-, methyl ester (9CI) → HCID 89501782, compound

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Reaction Steps

(E)-Methyl 4-(2-(3-(5-chloro-2-(1H-tetrazol-1-yl)phenyl)acryloyl)-6-methyl-1,2,3,4-tetrahydroisoquinoline-1-carboxamido)benzoate: To 20B (0.15 g, 1.033 mmol), methyl 4-isocyanobenzoate (0.166 g, 1.033 mmol), and Intermediate 2 (0.259 g, 1.033 mmol) was added MeOH (20 mL). The reaction was heated to reflux for 24 h. After cooling to rt the product was filtered off as (0.318 g, 55.3%) a yellow solid. MS (ESI) m/z: 557.0 (M+H)+.

Provenance & Evidence