Scrobiculin

Ogino, T, C. Kurihara, Y. Baba, and K. Kanematsu Total Synthesis of Furo-scrobiculin B. J. Chem. Soc., Chem. Commun., 1979 (1994). 

Fig. 33. A Perlatolic acid, Q. Bar 10 lm. B Planaic acid, GE. Bar 10)am. C Ramalinolic acid with sekikaic acid (from Ramalina peruviana Ach.), GE. Bar lOjim. D meta-Scrobiculin, GE. Bar 10 jam...

Merochlorophaeic acid (55) and scrobiculin (56) are examples of m-dep-sides of the orcinol series. 

PD-,K+,C+ Cryptochlorophaeic acid, hiascic acid, hypothamnolic acid (K+ violet), merochlorophaeic acid, paludosic acid, ramalinolic acid, scrobiculin... 

Elix JA, Gaul KL (1986) The Interconversion of the Lichen Depsides para- and meta-Scrobiculin, and the Biosynthetic Implications. Aust J Chem 39 613... 

---