Photoluminescence from blue fluorescence to green, yellow, and orange phosphorescence can be switched via multiple stimuli on an asterisk-shaped compound.

No abstract

Irradiation of 2-naphthonitrile and 2,3-dimethylbut-2-ene in methanol gives products containing a molecule of methanol; i t is suggested that they are formed by reaction of an ion pair with methanol.

514, Washington, 1951. b The effects of these solvents are probably due in part to their hydrogen bonding properties.Given by [(II)/(II) + (111)] x 100; minor products were present in all runs, total 14%. hydro-l-naphthy1)pyrrole (11) and 2-( 1,2-dihydro-2-naphthy1)pyrrole (III).6 The progress of the reaction and the ratios of products were monitored by g.l.c., and compounds ( 11) and (111) were isolated by chromato-