Methyl N-p-tolylsulphonylanthranilate and methyl 4-chloro-N-p-tolylsulphonylanthranilate have been converted via the N-2-chloroprop-2-enyl derivatives into the corresponding benzyl alcohols, which cyclised in 90% sulphuric acid to give N-p-tolylsulphonyltetrahydro-1-benzazepin-3-ones.
甲基ñ - p -tolylsulphonylanthranilate和甲基4-
氯ñ - p -tolylsulphonylanthranilate已经转换经由所述Ñ -2-
氯丙-2-烯基衍
生物为相应的
苄基醇,其在环化的90%
硫酸,得到ñ - p -
甲苯磺酰基四氢-1-苯并ze庚因-3-酮。