Design and synthesis of newer chiral organocatalysts for enantioselective synthesis of heterocyclic compound and experimental and theoretical study of intramolecular O..O interaction in B-Keto carboxylic esters - Singh Ashawani Kumar Au.; University of Delhi. Faculty of Science. Department of chemistry; Awasthi Satish Kumar Gu.; University of Delhi. Faculty of Science. Department of chemistry (2018)