Photoinduced Intramolecular Cyclopentanation vs Photoprotolytic Oxametathesis in Polycyclic Alkenes Outfitted with Conformationally Constrained Aroylmethyl Chromophores
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https://figshare.com/articles/dataset/Photoinduced_Intramolecular_Cyclopentanation_vs_Photoprotolytic_Oxametathesis_in_Polycyclic_Alkenes_Outfitted_with_Conformationally_Constrained_Aroylmethyl_Chromophores/2438434
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资源简介：
Intramolecular photoinduced cyclizations are investigated
in photoprecursors
assembled in a modular fashion via a Diels–Alder reaction of
acetylenic dienophiles with subsequent Michael additions of aromatic
ketones to install a chromophore capable of initiating Paternò–Büchi
cycloadditions or radical cyclization cascades. The protolytic oxametathesis
in these systems allows for rapid access to novel polycyclic scaffolds
decorated by formyl groups and carboxylates suitable for subsequent
modifications. In conformationally constrained photoprecursors, a
radical rearrangement takes place resulting in intramolecular 1,3-diradical
cyclopentanation of the double bond.
创建时间：
2016-02-19
