CHNH

AcronymDefinition
CHNHCultural Heritage Networks Hypermedia (Milan, Italy)
References in periodicals archive ?
Signal for a methine appeared at dC 51.0 (CHNH), three downfield oxymethines appeared at dC 76.0, 72.0, and 71.9, whereas oxymethylene (CH2OH) appeared at dC 61.5.
(ppm): 7.18 (5H, m, 5CH), 3.89 (1H, m, CHNH), 3.65 (3H, s, OCH3), 3.22 (1H, m, CHNH), 2.94 (2H, dd, J = 7.6, 5.7 Hz, PhCH2), 1.20 (9H, s, 3CH3); 13C- NMR (75 MHz, CDCl3): (delta bond) (ppm): 173.69 (C=O), 136.62 (C), 129.51 (CH), 128.62 (CH), 127.04 (CH), 63.90 (CH), 52.37 (CH3), 48.47 (C), 38.74 (CH2), 30.35 (CH3); MS (ES+): m/z (%) = 290 (100) [M + Na]+; IR nmax ( film ) cm-1: 3332 (m), 2958 (s), 2859 (m), 1737 (s), 1455 (m), 1165 (s), 700 (m).