HCID 69133284, compound → 6alpha-Formamidoandrostane-3,17-dione

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Reaction Steps

The title compound II-bc was prepared in 96% yield from 3,3:17,17-bis(ethylendioxy)-6α-formamidoandrostane by the procedure described above for the preparation of 6α-cyanoandrostane-3,17-dione (II-ac, Prepn. 3). The combined organic extracts were washed with H2O, dried over Na2SO4 and evaporated to dryness. 1H-NMR (300 MHz, DMSO-d6, ppm from TMS): δ 8.02-7.56 (m, 2H), 3.74 (m, 1H), 2.54-0.70 (m, 20H), 1.04 (s, 3H), 0.80 (s, 3H).

Provenance & Evidence