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ChemInform Abstract: N-Heterocyclic Carbenes. Part 4. Synthesis of Symmetrical and Unsymmetrical Imidazolium Salts with Abietane Moiety.

✍ Scribed by V. A. Glushkov; K. A. Arapov; M. S. Kotelev; K. S. Rudowsky; K. Yu. Suponitsky; A. A. Gorbunov; O. A. Maiorova; P. A. Slepukhin

Book ID: 112044497
Publisher: John Wiley and Sons
Year: 2012
Weight: 31 KB
Volume: 43
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201221075

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N-heterocyclic carbenes. IV.1synthesis o

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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 (

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