| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5222639 | Tetrahedron | 2010 | 7 Pages |
Abstract
A novel direct, flexible, and robust approach to the iso-ergoline tetracyclic system in which a five or six-membered ring is established by intramolecular carbene C–H insertion is reported. The protocol involves a two step conversion of an aromatic aldehyde to the corresponding hydrazone and without purification further conversion to the diazo-compound followed by thermal carbene formation and C–H insertion α to a nitrogen.
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