Terpenoids-CIV: costol fraction of costus root oil

Bawdekar, A. S. ; Kelkar, G. R. ; Bhattacharyya, S. C. (1967) Terpenoids-CIV: costol fraction of costus root oil Tetrahedron, 23 (4). pp. 1993-1996. ISSN 0040-4020

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00404...

Related URL: http://dx.doi.org/10.1016/S0040-4020(01)82603-X


The 'costol' fraction of costus root oil is an intimate mixture of several alcohols. The presence of "true" costol (I) has been proved by conversion to crystalline costic acid (IB), the methyl ester of which on reduction with LAH-AlCl3 gives pure costol of high rotation. The tertiary alcohol, elemol (VI) has been identified as another constituent of the mixture.

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