CLUSTER
Asymmetric Synthesis of 1H-Pyrrolo[1,2a]indol-3(2H)-ones
471
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Acknowledgment
This work was supported by the Deutsche Forschungsgemeinschaft
(priority program Organocatalysis) and the Fonds der Chemischen
Industrie. We thank the former Degussa AG and BASF AG for the
donation of chemicals.
References and Notes
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(14) General Procedure
To a solution of aldehydes 1 (3.0 mmol, 3.0 equiv), (E)-2-(2-
nitrovinyl)-1H-indoles 2 (1.0 mmol, 1.0 equiv), and AcOH
(0.20 mmol, 20 mol%) in CH2Cl2 (4.0 mL) was added (R)-
Synlett 2011, No. 4, 469–472 © Thieme Stuttgart · New York