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Synthesis 2006(7): 1171-1175
DOI: 10.1055/s-2006-926392
DOI: 10.1055/s-2006-926392
PAPER
© Georg Thieme Verlag Stuttgart · New York
Synthesis of an Ambergris-Type Ketal from Abietic Acid
Further Information
Received
21 October 2005
Publication Date:
14 March 2006 (online)
Publication History
Publication Date:
14 March 2006 (online)
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Abstract
Abietic acid, the main component of pine rosin, was used as starting material for the hemisynthesis of the ambergris-type ketal. The key intermediate step consisted of the synthesis of an exocyclic olefin through appropriate handling of a very sensitive aldehyde generated as an intermediate precursor.
Key words
ambergris perfume - rosin - abietic acid - ketalization
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