Bryophyte constituents; 7: New synthesis of (+)-rosmarinic acid and related compounds
Efficient and expeditious syntheses are described for rosmarinic acid (1) and its derivatives 2-4, making extensive use of allyl protective groups for both carboxylic acids and phenolic building blocks. (+)(R)-Rosmarinic acid was obtained by a chemoenzymatic resolution of its phenyl lactic acid precursors.
Eicher, Theophil,Ott, Markus,Speicher, Andreas
p. 755 - 762
(2007/10/03)
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