Title of article :
Unexpected reactions of dithiodiglycolic acid: isolation of a novel seven-membered ring system based on a 2-amino derivative of 7-oxo-6,7-dihydro-[1,4,5]oxadithiepine
Author/Authors :
Li، نويسنده , , Min and Wu، نويسنده , , Robert S and Tsai، نويسنده , , Jane and Salamone، نويسنده , , Salvatore J، نويسنده ,
Abstract :
A novel seven-membered ring was unexpectedly isolated from the coupling of dithiodiglycolic acid with 2.2 equiv. of N-hydroxysuccinimide, followed by addition of 0.25 equiv. of methyl (4-aminomethyl)benzoate hydrochloride (2) in the presence of 2 equiv. of triethylamine.
