New oxa- and oxaaza-coronands

N,N′-(1,4-Phenylene)bis(4-chlorobutanamide)

“…For details and syntheses of chloroamides as precursors for new azamacrocycles see: Benaglia et al (2005); Harte & Gunnlaugsson (2006); Humphrey & Chamberlin (1997); Mangalagiu et al (2007); Zbancioc et al (2012). Table 1 Hydrogen-bond geometry (Å , ).…”