Synthesis of N-substituted 4-(2-oxoalkyl)-1,4-dihydronicotinates and their inverse electron demand Diels-Alder reaction with 3,4-dichlorothiophene 1,1-dioxide
Synthesis of N-substituted 4-(2-oxoalkyl)-1,4-dihydronicotinates and their inverse electron demand Diels-Alder reaction with 3,4-dichlorothiophene 1,1-dioxide