Atypical Behavior of a New Dialkyl Macrocycloureide in Langmuir−Blodgett Film Formation

This work deals with the behavior studied through the Langmuir−Blodgett technique of a synthetic fluorescent macrocycloureide substituted with two C 18 -saturated alkyl chains, the distearylmacrocycloureide (DSM). The DSM monolayer exhibited a peculiar behavior when compressed, and a well-defined monolayer to bilayer transition was observed on the π− A isotherms.