Identification of carboniferous (320 million years old) class Ic amber

Science

Volumn 326, Issue 5949, 2009, Pages 132-134

  Sargent Bray, P ^b   Anderson, Ken B ^a  

^a SOUTHERN ILLINOIS UNIVERSITY   (United States)

^b MACQUARIE UNIVERSITY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

AMBER; POLYLABDANOID AMBER; POLYTERPENOID RESIN; RESIN; TERPENOID; UNCLASSIFIED DRUG;

AMBER; CARBONIFEROUS; CENOZOIC; DIVERGENCE; FOSSIL RECORD; GYMNOSPERM; IDENTIFICATION METHOD; MESOZOIC; TERPENE;

ANGIOSPERM; ARTICLE; BIODIVERSITY; BIOSYNTHESIS; CARBONIFEROUS; CHEMICAL STRUCTURE; CONIFER; FOSSIL; GYMNOSPERM; IDENTIFICATION KEY; NONHUMAN; PRIORITY JOURNAL; SEDIMENT; SPECIES IDENTIFICATION;

AMBER; ANGIOSPERMS; BIOLOGICAL EVOLUTION; CONIFEROPHYTA; DITERPENES; FOSSILS; GYMNOSPERMS; ILLINOIS; NAPHTHALENES; STEREOISOMERISM; TERPENES; TIME;

CONIFEROPHYTA; EMBRYOPHYTA; GYMNOSPERMAE; MAGNOLIOPHYTA;

EID: 70349662012     PISSN: 00368075     EISSN: 10959203     Source Type: Journal    
DOI: 10.1126/science.1177539     Document Type: Article

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11. Despite the common terminology used to describe labdanoids related to communie acids as regular and those related to ozic acid as enantio, these products are in fact epimeric, not enantiomers. The same is true of the bicyclic products (Fig. 1, I to IV and V to VIII) derived from the polymers of these terpenoids by Py-GC-MS. This terminology, although imprecise, is deeply entrenched in the literature related to these compounds and is retained here for consistency with numerous previously published works.
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