Über Furäthylamin und Tetrahydro‐füräthylamin

Abstract

B. 27, 1274, 1531 [lS94]. 3) B. 27, 12774, 915 118941. I n welcher Form NOH sich abl6st, ist nicht fextgestcllt. S. folg. Scito. 4) B. 42, 3568 [190:)]. 5, R. A. L. IS] 14, I1 658 und XUber eioige snuerstoffhaltige Verbidungen *) B. 42, 3.38 [1909]. des StickstoFFsa, Herzscbe Sammlung, 13, 17.

Synthesis, antibacterial and antifungal activities of 6,5 fused steroidal oxazoles in cholestane series

“…Sodium sulphate (anhydrous) was used as a drying agent. 3b-acetoxy-5a-cholestan-6-one (1) [21], 3b-chloro-5a-cholestan-6-one (2) [22][23][24] and 5a-cholestan-6-one (3) [25] were prepared according to the literature procedure.…”

Nitration of Unsaturated Steroids

“…In 1903, Windaus1•2 and Mauthner and Suida3 independently discovered that cholesteryl acetate and the free sterol on nitration afford 6-nitrocholesteryl acetate and the 6-nitro-3-nitrate, respectively, and that both substances on reduction with zinc and acetic acid give eholestane-33-ol-6-one, as acetate or as free alcohol, in high yield. 4-Cholestene, by the same transformations, affords cholestane-4-one4; A6-cholestene4 and A5-stigmas-tene5 (sitostene) have also been nitrated. Highyield procedures have been reported for nitration of cholesterol6 in acetic acid according to Windaus and for nitration of cholesteryl acetate7 with nitric acid-sodium nitrite according to Mauthner and Suida.…”