Abstract
The synthesis of 4-(3,3-dimethyl-2-exo-norbornyl)-2-methyl-2-buten-1-ol (5), an analogue of δ-santalol (1) has been described. One route to5 starts with isocamphenilanyl propionic acid (8) which can be prepared in 4 steps from isocamphenilanic acid (9). Also 4 steps lead from8 to the target molecule5 with an overall yield of 24%. By a second and more convergent route, starting from the very easily obtainable bicyclic ketone19, the allylic alcohol5 could be obtained again in 4 steps, but this time with an overall yield of 1.3%. A new and easy synthesis of isocamphenilanyl acetic acid (15), a potential starting material to5, has been described, also the preparation of some new isocamphane derivatives.
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Auszugsweise vorgetragen auf der gemeinsamen, wissenschaftlichen Tagung der ÖPhG und DPhG am 11. September 1986 in Innsbruck.
26. Mitt:Buchbauer G,Pernold W,Ittner M,Ahmadi MF,Dobner R,Reidinger R (1985) Monatsh Chem 116: 1209
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Buchbauer, G., Püspök, G., Angermayer, A. et al. δ-Santalolanaloga I Synthesen in der Isocamphanreihe, 27. Mitt.. Monatsh Chem 118, 387–398 (1987). https://doi.org/10.1007/BF00809950
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DOI: https://doi.org/10.1007/BF00809950