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Transformation of 2-(1-acetoxy-2-butynyl) tetrahydrofuran to 2-methyl-3-acetyl-1,6-dioxaspiro[4.4]non-2-ene-a new thermal isomerizatton

✍ Scribed by R. A. Karakhanov; M. M. Vartanyan

Book ID
112447774
Publisher
Springer
Year
1982
Tongue
English
Weight
83 KB
Volume
31
Category
Article
ISSN
1573-9171

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(5R*, 9S*)- and (5R*, 9R*)-2,2,9-Trimethyl-1,6-dioxaspiro[4.4]non-3-ene and their Dihydro Derivatives as New Constituents of Geranium Oil
✍ Roman Kaiser πŸ“‚ Article πŸ“… 1984 πŸ› John Wiley and Sons 🌐 German βš– 358 KB

## Abstract (5 __R__^\*^,9__S__^\*^)‐ and (5__R__^\*^,9__R__^\*^)‐2,2,9‐Trimethyl‐1,6‐dioxaspiro [4.4]non‐3‐ene (**1a** and **1b** resp.) and their dihydro derivatives **2a** and **2b** are described as new constituents of geranium oil. The structures and configurations of **1a**, **1b**, **2a**, a