abstract |
A method for producing benzo-annelated heterocycles of general formula (I), wherein X, R<1>, R<2>, R<3>, R<4>, R<5> and n have the meaning cited in Claim 1, by reacting tetrahydrobenzo-annelated heterocycles of formula (II), wherein X, R<1>, R<2>, R<3>, R<4>, R<5>, n and Ac have the meaning cited in Claim 1, with a catalytic amount of an earth metal catalyst in the presence of a hydrodgen acceptor and subsequently deacylating the acylated amino group by adding an amine. |