Rahimi, Alireza; Azarpira, Ali; Kim, Hoon; Ralph, John; Stahl, Shannon S.
Journal of the American Chemical Society, 2013 , vol. 135, # 17 p. 6415 - 6418
1,3,5,7-tetra-azatricyclo[5.1.1.13,5]decane; sulfuric acid; acetic acid
Formylation; 4 h; heating on oil bath to 130 deg C; refluxing for 3 h after acetic acid addition and 1 h after conc. H2SO4 addition;