Lithium-iodine exchange initiated cyclization of o-iodo-N-methoxy-N-methyl phenylacetamides provides a simple and efficient route to benzocyclobutenones.
Lithium-iodine exchange initiated cyclization of o-iodo-N-methoxy-N-methyl phenylacetamides provides a simple and efficient route to benzocyclobutenones.
Certain N-methoxy-N-methyl amides yield products of formal reduction and/or rearrangement upon exposure to tert-butyldimethylsilyl triflate and collidine or triethylamine.
Lithium-iodine exchange initiated cyclization of o-iodo-N-methoxy-N-methyl phenylacetamides provides a simple and efficient route to benzocyclobutenones.