| Baran, Janusz and Mayr, Herbert (1989): Acceleration of diels-alder reactions by remote methyl groups. In: Tetrahedron, Vol. 45, No. 11: pp. 3347-3350 |
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341Kb |
Abstract
The hexamethyl substituted bismethylenecyclopentane 1a is 4 to 7 times more reactive towards the acetylenic dienophiles 2 and 3 than the nonmethylated 1,2-bismethylenecyclopentane 1b. This unusual consequence of branching is explained in terms of steric and electronic effects.
| Item Type: | Article |
|---|---|
| Collections: | Chemistry and Pharmacy |
| Subjects: | 500 Science > 540 Chemistry |
| URN: | urn:nbn:de:bvb:19-epub-3925-9 |
| ID Code: | 3925 |
| Deposited On: | 20. May 2008 12:14 |
| Last Modified: | 08. Jan 2013 16:08 |
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