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A SYNTHETIC ROUTE TO ECHINOPINES A AND B. By: Alain Grandbois Jolaine Savoie Brice Stenne Julie Coté Yassir El-Azizi. OUR RETROSYNTHETIC APPROACH. PREPARATION OF THE PRECURSOR FOR KEY STEP 1. FIRST KEY STEP. Kobayashi, T.; Koga, Y.; Narasaka, K. J. Org. Chem , 2001 , 624 , 73.
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A SYNTHETIC ROUTE TO ECHINOPINES A AND B By: Alain Grandbois Jolaine Savoie Brice Stenne Julie Coté Yassir El-Azizi
FIRST KEY STEP Kobayashi, T.; Koga, Y.; Narasaka, K. J. Org. Chem, 2001, 624, 73.
SECONDKEY STEP 93: 7 Tzvetkov, T. N.; Stammler, H.-G., Mattay, J. Eur. J. Org. Chem. 2006,351.
SOME COOKING - PART 1 Mikaye, H.; Nakao, Y.; Sasaki, M. Chem. Lett. 2007, 36, 104-105.
FOURTH KEY STEP Paquette, L. A.; Schaefer, A.G.; Springer, J.P. Tetrahedron, 1987, 43, 5567.
SOME COOKING – PART 2 Srikrishna, A.; Krishnan, K. Tetrahedron, 1992, 48, 3429.