preparation method of 2,6-diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester oxalate_kain industrial additives
background and overview[1] 2,6-diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester oxalate is a a kind of azaspirocyclic compound, often used as an intermediate in drug synthesis. there are repo…

