for the following products
(3S)-tert-Butoxyl-3-methyl-1-carbonyl-1,4-diazepine | (S)-1-Boc-2-Methyl-[1,4]diazepane | (S)-Hexahydro-3-methyl-1H-1,4-diazepine-1-carboxylic acid tert-butylester | (S)-tert-Butyl 2-methyl-1,4-diazepane-1-carboxylate and Hexahydro-2(S)-methyl-4-(tert-butoxycarboxyl)-1,4-diazepine
