N-heterocyclic carbenes. IV.1synthesis o
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V. A. Glushkov; K. A. Arapov; M. S. Kotelev; K. S. Rudowsky; K. Yu. Suponitsky;
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Article
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2011
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John Wiley and Sons
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English
⚖ 224 KB
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## Abstract Methyl 12‐chloromethyl‐dehydroabie‐tate reacts with 1‐benzyl‐ and 1‐arylimidazoles to give unsymmetrically substituted imidazolium chlorides (**1a–i**), with abietane moiety. Starting from methyl 12‐aminodehydroabietate, symmetrically substituted diterpene‐based salts of imidazolinium (