Organic & Biomolecular Chemistry 2012-09-07

Diastereoselective intermolecular ene reactions: synthesis of 4,5,6,7-tetrahydro-1H-benzo[d]imidazoles.

Lynsey J Watson, Ross W Harrington, William Clegg, Michael J Hall

Index: Org. Biomol. Chem. 10(33) , 6649-55, (2012)

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Abstract

The Diels-Alder cycloadducts of 4-vinylimidazoles and N-phenylmaleimide are shown to undergo facile intermolecular ene reactions. Overall the reaction of three simple molecules (a diene, a dienophile and an enophile) in a two-step process gives 4,5,6,7-tetrahydro-1H-benzo[d]imidazoles with high yields, high atom economy and diastereocontrol of up to 5 new stereocentres.

Related Compounds

  • Vinylimidazole
  • N-Phenylmaleimide

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