Chemistry of Australian Lichens. I. Some Constituents of Parmelia conspersa (Ehrh.) Ach., Ramalina fraxinea (L.) Ach., Usnea barbata (L.) Wigg., and U. ceratina Ach., from the New England Region
Keyword(s):
Each of the species named in the title has yielded (+)-usnic acid, as found in previous investigations in other parts of the world. Other aromatic constituents isolated, except salazinic acid from Parmelia conspersa differ from those previously reported and include a new compound from P. conspersa. It is suggested that usnaric acid, previously obtained from Usnea spp. but unidentified, was a mixture of salazinic and norstictic acids. D-Mannitol or D-arabitol has been isolated from the water-soluble fractions.
Keyword(s):
2017 ◽
Keyword(s):
2011 ◽
Vol 186
(2-3)
◽
pp. 1283-1289
◽
Keyword(s):
1945 ◽
Vol 5
(2)
◽
pp. 145-171
◽
Keyword(s):
Keyword(s):
2020 ◽
Vol 3
(1)
◽
pp. 186-191
2021 ◽
pp. 24-29
Keyword(s):
2021 ◽
Vol 17
(13)
◽
pp. 99-119