Olivetoric Acid and Related Depsides

3 Synthesis of -Orcinol para-Depsides, -Orcinol meta-Depsides, meta-Orcinol Depsides and Orcinol Tridepsides 

Starting with appropriately substituted phenols, procedures identical to those used for the synthesis of /7am-orcinol depsides have been employed in the synthesis of natural P-orcinol /7am-depsides 130, 152, 251, 252) 

Methyl lecanorate OH H OH H Me H OH C02Me Me H Pseudocyphellaria crocata Column chromatography Spectral data and synthesis (252) 

2 -0-Methyl-evernic acid OH H OMe H Me H OMe CO2H Me H Evernia prunastri Column chromatography Spectral data ( 3c-n.m.r.) synthesis 252) 

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