n-(4-Acetylamino-benzyl)-2(2,2-dimethyl-5-oxo-[1,3]dioxolan-4-ylidene)-n-methoxy-acetamide → HCID 72395079, compound

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Reaction Steps

N-(4-Acetylaminobenzyl)-2-(2,2-dimethyl-5-oxo-[1,3]-dioxolan-4-ylidene)-N-methoxy-acetamide was treated with methanol as described in the preparation of Compound 44-D and gave the title ester as white crystals (35% yield); mp 125° C. 1HNMR 400 MHz (CDCl3) δ (ppm): 2.18 (3H, s, COCH3), 3.68 (3H, s, OCH3), 3.89 (3H, s, OCH3), 4.79 (2H, s, NCH2), 6.46 (1H, s, CH), 7.16 (1H broad s, NH), 7.29 (2H, d, J=8.6 Hz, aromatics), 7.48 (2H, d, J=8.6 Hz, aromatics). Anal. Calcd for C15H18N2O6: C, 55.89; H, 5.62; N, 8.69. Found: C, 55.95; H, 5.70; N, 8.59.

Provenance & Evidence