Tetrahedron Letters

A highly convergent and flexible strategy for the synthesis of a-ring aromatic steroids

LN Mander, JV Turner

文献索引：Mander, Lewis N.; Turner, John V. Tetrahedron Letters, 1981 , vol. 22, # 37 p. 3683 - 3686

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被引用次数: 16

摘要

) bp 55°/4 mm, 1 H NMR (CDCl 3 ) δ 3.48 (s, 3H), 4.76 + 4.90 (ABq, = 7Hz, 2H, OCH 2 O), 4.96 (d, = 5Hz, 1H, HCCN), 5.5 (br d, = 10Hz, 1H) 5.85 (m, 2H). Anal. (C 6 H 9 NO 2 ) C, H, N. ( ) bp 60°/0.01 mm, 1 H NMR (CDCl 3 ) δ 2.10 (m, 4H), 3.48 (s, 3H), 4.76 + 4.90 (ABq, = 7Hz, 2H), 5.60 (m, 1H), 5.75 ( , 2H); IR (film) 2280(w), 1620(w), 1435, 1405, 1260, 1205, 1150, 1080, 1000, 920 cm −1 ; MS / 217, 219 (M-CH 2 O) (15%), 186, 188 (MC 2 H 4 O 2 ...