Rapid Construction of Cycloheptatriene through Organocatalyzed [4 + 3] Annulation of Coumalates.
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DOI: 10.1021/acs.orglett.4c02179
Abstract: A protocol for the construction of cycloheptatrienes has been developed. 4-(Dimethylamino)pyridine (DMAP) was found to be an efficient catalyst to promote the [4 + 3] annulation between coumalates and γ-alkyl-substituted allenoate or γ-aryl-3-butynoates to deliver… read more here.
Keywords: annulation; annulation coumalates; cycloheptatriene organocatalyzed; rapid construction ... See more keywords