The Chemistry of Lactim Ethers. IV. Syntheses of 1, 9-and 5, 9-Diazasteroid Systems
キーワード:
5, 9-diazasteroid
1981 年 29 巻 2 号 p. 366-369
詳細
1981 年 29 巻 2 号 p. 366-369
The reaction of methyl valerolactim (1) with cyclic β-aminoester (6) afforded only 1, 9-diazasteroid (14), whereas that of methyl valerothiolactim (2) with 6 led to the cyclic diamide (12) together with 14. The latter reaction, followed by iodination and reduction, gave 5, 9-diazasteroid (17).
