Über die Inhaltsstoffe einiger Roccellaceen und die Struktur der Schizopeltsäure, eines neuen Dibenzofuran-Derivates aus Roccellina luteola FOLLM.

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Abstract
The isolation and characterization of the constituents of 3 Chilean Roccellaceae is reported. Roccellina luteola Follm. contains a new dibenzene derivative schizopeltic acid, the structure of which is not clear, a phenolic compound with a melting point of 178[degree] and a neutral substance with a melting point of 295[degree]. Roccellina condensata Darb. contains roccellic acid, portentol and lecanoric acid, Pentagenella fragillima Darb. psoromic acid.