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Superacid cyclization of homo- and bishomoisoprenoid acids

✍ Scribed by P. F. Vlad; N. D. Ungur; V. B. Perutskii

Book ID
104781767
Publisher
Springer US
Year
1991
Tongue
English
Weight
338 KB
Volume
27
Category
Article
ISSN
0009-3122

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## Abstract Methyl (2__Z__,6__Z__,10__E__,14__E__)‐ (**3**) and methyl (2__E__,6__Z__,10__E__,14__E__)‐geranylfarnesoate (**4**) were prepared, and then individually cyclized in the presence of the superacid FSO~3~H. In the case of substrate **3**, the scalaranic ester **9** (26%) and the cheilanth