| 摘要 |
Title compds. (I; R = H, C1-6 alkyl, alkoxy, etc. ; R1= H, C2-6 alkoxycarbonyl or phenyloxycarbonyl; R2 = C1-6 alkyl or phenyl; Y = H, C1-6 alkyl, alkoxy, hydroxy or phenyl; m,n or n' = 1-3) and their HC1 salts, useful as antidepressants and tranquilizers, were prepd. by hydrolysis of N-oxycarbonyl-1,3-dihydrospiro[isobenzofuran-cycloazalkane (II) with acid or alkali at 25-125≦̸C for 0.25-24 hr. II was prepd. by the reaction of N- or 3-disubstituted-1,3-dihydrospiro[isobenzofuran-cycloazalkane and chloroformate at 25-125≦̸C for 0.25-24 hr in solvent.
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