ChemInform Abstract: Bryophyte Constituents. Part 9. Syntheses of Cyclic Bisbibenzyl Systems.

Abstract

Bryophyte Constituents. Part 9. Syntheses of Cyclic Bisbibenzyl Systems.-The cyclic bisbibenzyl bryophyte constituents marchantin I (IX), isoplagiochin C (X) and riccardin C (XI) are synthesized by Suzuki or Wittig coupling in 15, 8 and 12 steps, resp., and 10, 25, and 12% overall yields, respectively. -(EICHER, T.; FEY, S.; PHUL, W.; BUECHEL, E.; SPEICHER, A.; Eur.