The occurrence and identification of C 30 -C 32 lanostanes: A novel series of tetracyclic triterpenoid hydrocarbons

Details The occurrence and identification of C 30 -C 32 lanostanes: A novel series of tetracyclic triterpenoid hydrocarbons The occurrence and identification of C 30 -C 32 lanostanes: A novel series of tetracyclic triterpenoid hydrocarbons

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989gecoa..53.2775c&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 53, Issue 10, pp.2775-2779

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A series of novel tetracyclic triterpanes based on the lanostane skeleton, ranging in carbon number from C 30 to C 32 , were identified for the first time in Eocene lacustrine deposits of Biyang Basin, China. These compounds have been identified by GC, GC-MS, and coinjection with authentic standards as 8 (H),9 (H)-lanostane (C 30 ), 24-methyl-lanostane (C 31 ), and 24-ethyl-lanostane (C 32 ). Mechanisms are proposed for the origin and geological fate of these compounds. To the best of our knowledge this is the first confirmed occurrence of lanostanes in the sedimentary record.

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