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

• determined as S,S by X-ray diffraction analysis (Figure 4) (For details see also: Figure 4 and Supporting Information File 1). Structure elucidation of 5b The mass spectrum of 5b displayed a molecular ion at m/z 245 corresponding to the molecular formula C14H15NO3. Interestingly the molecular ion is 18 amu