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J. Org. Chem. 1999, 64, 8058
Additions and Corrections Vol. 64, 1999 Russell J. Linderman,* Sophie Binet, and Samantha R. Petrich. Enhanced Diastereoselectivity in the Asymmetric Ugi Reaction Using a New “Convertible” Isonitrile.
Page 337. R for compounds 8b, 10b, and 11b in Table 1 and Scheme 3 should be CH2CH(CH3)2 rather than CH(CH3)2. The diastereoselectivities reported using isonitrile 1 with the arabinosyl auxiliary 9 are not significantly enhanced relative to those reported by Kunz and coworkers (ref 5b) using tert-butyl isocyanide at -78 °C. In addition, Kunz and Pfrengle (J. Am. Chem. Soc. 1988, 110, 651-652 and ref 5a) report an example of an asymmetric Ugi reaction using phenylisonitrile that resulted in a 94:6 dr. We regret any perceived misrepresentation of the earlier work reported by Kunz and Pfrengle. JO994009Z 10.1021/jo994009z Published on Web 09/28/1999
Vol. 64, 1999 Xiaodong Liu and John G. Verkade*. Free and PolymerBound Tricyclic Azaphosphatranes HP(RNCH2CH2)3N+: Procatalysts in Dehydrohalogenations and Debrominations with NaH.
Page 4840. The author line should read: Xiaodong Liu, Zhengkun Yu, and John G. Verkade*. JO994007E 10.1021/jo994007e Published on Web 09/28/1999
Vol. 64, 1999 Frank Sieber, Paul Wentworth, Jr.,* Jonathan D. Toker, Anita D. Wentworth, William A. Metz, Neal N. Reed, and Kim D. Janda*. Development and Application of a Poly(ethylene glycol)-Supported Triarylphosphine Reagent: Expanding the Sphere of Liquid-phase Organic Chemistry.
Page 5192. The Acknowledgment should read as follows. Acknowledgment. This work was supported by the NIH (GM 56154, KDJ) and The Skaggs Institute for Chemical Biology. J.D.T. acknowledges FCAR-Que´bec. W.A.M. thanks H.M.R. for support during a sabbatical at TSRI. JO994006M 10.1021/jo994006m Published on Web 09/25/1999
