James R Hanson's Terpenoids and Steroids: Volume 10 (SPR Terpenoids and PDF

By James R Hanson

ISBN-10: 0851863361

ISBN-13: 9780851863368

Professional Periodical reviews offer systematic and special assessment assurance of growth within the significant components of chemical learn. Written by means of specialists of their professional fields the sequence creates a distinct provider for the energetic study chemist, delivering usual severe in-depth money owed of development specifically components of chemistry.

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P. J. Carrol, E. L. Ghisalberti, and D. E. Ralph, Phytochemistry, 1976, 15,777. S. Manabe, K. Wakamatsu, Y. Hirata, and K. Yamada, Tetrahedron, 1979, 35, 1925. H. J. Liu and W. H. Chan, Can. J. , 1979, 57,708. ” For compounds belonging to the so-called isocedrane class, see p. 99. 95 K. Rajendran, S. K. Paknikar, G. K. Trivedi, andS. C. Bhattacharyya, IndianJ. ,Sect. B, 1978, 16,4. r. "' A (172) (173) R (174) R = = H OH M. Rohr and P. Naegeli, Phytochemistry, 1979,18, 328. F. Bohlmann, C. Zdero, R.

D. Shuey, and F. , J. Am. Chem. , 1979,101,1284. 44 Terpenoids and Steroids C0,Me 1 COzH iii C0,Me (279) Reagents: i, hv; ii, PTSA; iii, hv, CH,=CH, Scheme 40 H (281) Reagents: i, hu, CH,=C(OMe),; ii-iv. '""" The two ethyl ethers (291) and (293) are almost certainly artefacts of the isolation procedure. Further details of the chemistry of isolactarorufin (294) have been p u b 1 i ~ h e d . lThe ~ ~ ~absolute stereochemistry of this unusual tetracyclic compound has not been ascertained as yet. 14' K.

133 This work constitutes the first example of the direct conversion of a humulene derivative into a naturally occurring compound. Complete details of the extensive studies on the extraction, structural elucidation, and toxicity of the CI4and CISindanone sesquiterpenoids isolated from the young fronds of bracken fern have been In total the structures of 13* 133 135 J. A, Mlotkiewicz, J . Murray-Rust, P. Murray-Rust, W. Parker, F. G. Riddell, J. S. Roberts, and A. , 1979, 3887. I. Bryson, J. A. Mlotkiewicz, and J.

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Terpenoids and Steroids: Volume 10 (SPR Terpenoids and Steroids (RSC)) by James R Hanson


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