method for producing replaced: 1,2,3,4 - tetrahydrochinazolin 2 thionen, 1,3,4,5 - tetrahydro - 2h - 1.3 - benzodiazepine 2 thionen and 1,3,4,5,6 - pentahydro - 2h - 1.3 - benzodiazocin 2 thionen