An Asymmetric Total Synthesis of Sanjoinine G1. -Key step in the strategy developed is the cyclization of the linear tripeptide (V) to afford the 14-membered ansa cyclophane (VI). -(LAIB, TAOUES; ZHU, JIEPING;
ChemInform Abstract: Total Synthesis of Sanjoinine-G1
β Scribed by B. H. HAN; Y. C. KIM; M. K. PARK; J. H. PARK; H. J. GO; H. O. YANG; D.-Y. SUH; Y.-H. KANG
- Book ID
- 112024490
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 25 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0931-7597
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Total Synthesis of the Cyclopeptide Alkaloid Sanjoinine G1 and Its C-11 Epimer. -An efficient new synthesis (18 steps, 6.6% overall yield) of sanjoinine G1 (VIII) is reported. The key steps in this synthesis are the formation of the alkyl-aryl ether linkage via an S N Ar reaction of amino alcohol (
A convergent total synthesis of sanjoinine G1, a 14-menthe~d cyclopeptide alkaloid was described. Formation of aryl-alkyl ether bond with concomitant construction of macrocycle by way of an intramolecolar SNAr reaction was the key step in this synthesis.Only two conventional peptide couldin 8 steps