Pyrenula japonica

The fungal metabolite, sclerotiorin (49) was first isolated independently by two groups from Penicillium sclerotiorum [94,95] and later from P. multicolor [95]. The 7-epimer (50) is also a known metabolite of P. hirayamae [96], Sclerotiorin was isolated for the first time from lichen mycobiont Pyrenula japonica [97]. The related rubrorotiorin (51) was also found in P. hirayamae [98]. 

Chapter 4.5.10. Xanthones. Cultures of the spore-derived mycobionts of Pyrenula japonica and P. pseudobufonia synthesized the new... 

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