单词 | picrolichenic |
释义 | picrolichenicadj. Biochemistry. picrolichenic acid n. a very bitter, crystalline, polycyclic acid, C25H30O7, isolated from the lichen Pertusaria amara. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from lichens > [noun] > named picrolichenin1835 parellic acid1850 stictic acid1868 patellaric acid1872 polyporic acid1877 vulpic acid1886 picrolichenic acid1902 1902 Jrnl. Chem. Soc. 82 i. 465 The name picrolichenic acid is suggested for picrolichenin. 1959 New Biol. 29 86 Picrolichenic acid..is a previously undescribed type of lichen acid in which the ring structures in the molecule are joined by a direct carbon to carbon link rather than by an oxygen atom as is the case in depsidones. 1991 Austral. Jrnl. Chem. 44 1487 New depsones, subpicrolichenic acid and superpicrolichenic acid have been shown to co-occur with picrolichenic acid. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < adj.1902 |
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