High stereoselectivity on low temperature Diels- Alder reactions

• Luiz Carlos da Silva Filho,
• Valdemar Lacerda Júnior,
• Mauricio Gomes Constantino,
• Gil Valdo José da Silva and
• Paulo Roberto Invernize

Beilstein J. Org. Chem. 2005, 1, No. 14, doi:10.1186/1860-5397-1-14

• studies [8][9][10][11] that demonstrated how large the influence of the Lewis acid can have on several aspects of the reactions. As part of our research work on synthetic methodologies using niobium pentachloride in a variety of reactions [12][13][14], we have recently started an investigation on