quinoxaline sentence in Hindi

Examples

1. Some examples include developing ( a ) a continuous protocol for the two-carbon homologation of esters to prepare ( a ) ?-unsaturated esters with high yield and selectivity; ( b ) 2-functionalized phenols via benzyne-mediated in-line generation of arylmagnesium intermediates and aerobic oxidation; ( c ) developing a three-step continuous flow system which integrates in-line isocyanide formation and photochemical cyclization for preparing quinoxaline derivatives and ( d ) a two-step glycosylation and deprotection sequence to prepare 5-deoxyribonucleoside pharmaceuticals.