Tetrahedron letters

Intramolecular Diels-Alder reaction of pyrazines with an alkenyl side chain

B Chen, CY Yang, DY Ye

Index: Chen, Bin; Yang, Chu-Yao; Ye, De-Yong Tetrahedron Letters, 1996 , vol. 37, # 45 p. 8205 - 8208

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Citation Number: 3

Abstract

Intramolecular Diels-Alder reaction of a series of pyrazines bearing a 5-membered-ω-alkene side chain in refluxing trifluoroacetic acid led to the formation of bridged tricyclic compounds. These cycloadducts underwent Retro Diels-Alder reaction in refluxing nitrobenzene to give