Formal [4 + 2] cycloaddition of imines with alkoxyisocoumarinsElectronic supplementary information (ESI) available: Experimental procedures and characterization data. See DOI: 10.1039/c8ob01015c

Formal [4 + 2] cycloaddition of imines with alkoxyisocoumarinsElectronic supplementary information (ESI) available: Experimental procedures and characterization data. See DOI: 10.1039/c8ob01015c

A new preparation of δ-lactams is reported. In the presence of a Lewis acid promoter, alkoxyisocoumarins engage a range of N -aryl and N -alkyl imines to form δ-lactams with a pendent carboalkoxy substituent. A sulfonamide-thiourea catalyst enables the synthesis of these products in moderate to good...

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Hauptverfasser: Jarvis, Claire L, Jemal, Neyra M, Knapp, Spencer, Seidel, Daniel
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Jemal, Neyra M
Knapp, Spencer
Seidel, Daniel
description A new preparation of δ-lactams is reported. In the presence of a Lewis acid promoter, alkoxyisocoumarins engage a range of N -aryl and N -alkyl imines to form δ-lactams with a pendent carboalkoxy substituent. A sulfonamide-thiourea catalyst enables the synthesis of these products in moderate to good enantioselectivities. A new preparation of δ-lactams is reported.
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title Formal [4 + 2] cycloaddition of imines with alkoxyisocoumarinsElectronic supplementary information (ESI) available: Experimental procedures and characterization data. See DOI: 10.1039/c8ob01015c
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