作者:Mitsuteru Numazawa、Katsuhiko Kimura、Masao Nagaoka
DOI:10.1016/0039-128x(81)90054-4
日期:1981.11
A novel synthesis of sodium 17-oxo-16 alpha-hydroxy-1,3,5(10)-estratrien-3-yl sulfate (4), sodium 16 alpha, 16 beta-dihydroxy-1,3,5(10)-estratrien-3-yl sulfate (5) and sodium 16-oxo-17 beta-hydroxy-1,3,5(10)-estratrien-3-yl sulfate (6) is described. 16 alpha-Bromo-3-hydroxy-1,3,5(10)-estratrien-17-one (1) was efficiently synthesized in one step with 70-97% yield by bromination of 3-hydroxy-1,3,5(1
新型合成的17-氧代-16α-羟基-1,3,5(10)-雌三烯-3-基硫酸钠(4),钠16α,16β-二羟基-1,3,5(10)描述了-雌三烯-3-基硫酸盐(5)和16-氧代-17β-羟基-1,3,5(10)-雌三烯-3-基硫酸钠(6)。通过溴化3-羟基-1,3,5一步有效地合成了16个α-溴-3-羟基-1,3,5(10)-雌三烯-17-(1),收率70-7% (10)-雌三烯-17-与溴化铜合一。通过在吡啶水溶液中用氢氧化钠控制溴酮1的受控立体定向水解,定量获得3,16α-二羟基-1,3,5(10)-雌三烯-17-(3)。通过在吡啶中用氯磺酸进行硫酸化并随后以高产率进行受控的水解而不会形成其他酮醇,将溴代酮1转化为16α-羟基-17-酮3-硫酸盐4。