Oxalyl chloride → N-[(S)-2-(3,4-Dichlorophenyl)-4-oxobutyl]-N-methyl-2-methoxy-3-cyano-1-naphthamide

Participants

Reaction Steps

The alcohol from (a) was oxidized using oxalyl chloride and DMSO under standard Swern conditions to afford the aldehyde [1H NMR (300 MHz, DMSO-d6) δ9.70-9.64 (m), 8.67-8.57 (m), 8.07-7.97 (m), 7.80 (s), 7.72-7.55 (m), 7.52-7.48 (m), 7.40-7.33 (m), 7.12-7.10 (d), 7.04-7.02 (d), 6.87-6.83 (m), 6.37-6.29 (d), 4.53-4.44 (t), 4.11-4.00 (m), 3.94 (s), 3.92 (s), 3.91-3.73 (m), 3.71 (s), 3.45-3.38 (m), 3.33 (s), 3.14 (s), 2.97-2.95 (d), 2.63 (s), 2.60 (s); MS APCI, m/z=455 (M+)].

Provenance & Evidence