Synfacts, Table of Contents Synfacts 2018; 14(06): 0577DOI: 10.1055/s-0037-1610012 Synthesis of Heterocycles © Georg Thieme Verlag Stuttgart · New YorkOne-Step Syntheses of 1,4-Diazo Hetero-cycles by Formal [n+2] Cyclizations (n = 4–6)Contributor(s): Victor Snieckus , Paul Richardson (Pfizer)Recommend Article Abstract Buy ArticleKey words Key wordspiperazines - 1,4-diazepanes - 1,4-diazocanes - allenes Full Text