Diastereoselective synthesis of some novel benzopyranopyridine derivatives

• Pradeep K. Mohakhud,
• Sujeet M. R. Kumar,
• Vasanth M. R. Kumar,
• Ravi M. R. Kumar,
• Moses D. R. Babu,
• Vyas D. R. K and
• Om D. R. Reddy

Beilstein J. Org. Chem. 2006, 2, No. 25, doi:10.1186/1860-5397-2-25

• enantiomers 7a and 7b. The absolute configuration is determined by single crystal X-ray analysis of the mandelate salt. General structures A & B, Tetrahydro cannabinole derivatives. General structures C & D, Benzopyrano pyridine derivatives. Proposed mechanism of tetrahydropyridine formation, Proposed

• mechanism. Molecular structure of the mandalate salt. Structural elucidation. Synthetic sequence to tetrahydropyridine compounds. Resolution of enantiomers using D(-) mandelic acid. Supporting Information Supporting Information File 86: Supplementary experimental data. The file contains all experimental