2,3-Dihydrobenzofuran-5-carboxaldehyde → HCID 86583859, compound

Participants

Reaction Steps

Using the procedure described in Example 220, step (a), 60 mg (0.29 mmol) of methyl 4-amino-5-methylthiothiophene-2-carboxylate, 42.9 mg (0.29 mmol) of 2,3-dihydrobenzo[b]furan-5-carboxaldehyde, and 135 mg (2.2 equiv, 0.63 mmol) of NaHB(OAc)3 were allowed to react to give methyl 4-(2,3-dihydrobenzo[b]furan-5-ylamino)-5-methylthiothiophene-2-carboxylate. Mass spectrum (ESI, m/z): Calcd. for C16H17NO3S2, 336.07 (M+H), found 334.3 (imine), 335.3.

Provenance & Evidence