1, 4-cycloaddition reactions the Diels-Alder reaction in heterocyclic syntheses

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1,2-cycloaddition reactions the formation of three-and four-membered heterocycles by Muller, Linda Lee

Heterocyclic systems with bridgehead nitrogen atoms. by Mosby, William L.

Heterocyclic compounds by Elderfield, Robert Cooley 1904-

Heterocyclic compounds by Elderfield, Robert Cooley 1904-

The chemistry of heterocyclic compounds by Morton, Avery A. (Avery Adrian) 1892-

Progress in heterocyclic chemistry ; a critical review of the 1993 literature preceded by two chapters on current heterocyclic topics by Suschitzky, H.

Electronic properties of aromatic and heterocyclic molecules by London Peacock, T. E. (Thomas Edward) 1965

Heteroatom ring systems and polymers by Allcock, H. R. 1967