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By H Suschitzky; O Meth-Cohn; G V Boyd

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Additional resources for Heterocyclic Chemistry Vol. 2 A review of the literature abstracted between July 1979 and June 1980

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Org. , 1980, 45, 153. D. E. McClure, B. H. Arison, and J. J. Baldwin, J. A m . Chem. , 1979, 101, 3666. E. Hungerbuehler, D. Seebac , and D. Wasmuth, Angew. , Int. Ed. , 1979,16, 958. B. Marsman and H. Wynberg, J. Org. , 1979, 44, 2312. V. Schurig, B. Koppenhoefer, and W. Buerkle, Angew. , Int. Ed. , 1978, 17,937. V. Schurig, B. Koppenhoefer, and W. Buerkle. J. Org. , 1980, 45, 538. 11 Three-Membered Ring Systems have been achieved for the propene and butene oxides, using the optically active complexing agent nickel(II)-bis[(R )-heptafluorobutanylcamphorate] in squalene.

V. Prosyanik, A. I. Mishchenko, G. V. Shustov, I. I. Chervin, N . L. Zaichenko, A. P. Pleshkova, P. N. Belov, and V. I. Markov, Izv. Akud. Nuuk SSSR, Scr. , 1979, 1780 ( C h e m . , 1980, 92, 6323). M . S. Ouali. M. Vaultier, and Ii. Carrie, Bull. Chim. , Purr 2, 1979, 633. 5 h), however, resulted in increased yields of the ring-opened products (222; X = H, or 0) (85%). C N D 0 / 2 calculations were reported for the ring-contraction, which is thought to proceed uia a concerted[ 1,3]-sigmatropic migration of the nitrogen to a carbon of the enolate anion that is formed when a bond ruptures.

Vega, J. Org. , 1975,40, 175. K . Jaehnisch, E. Schmitz, and E. Gruendemann, J. Prakt. , 1979, 321,712. E. Bosies, R. Heerdt, R. Gall, U. Bicker, and A. E. Ziegler, G e r . Offen 2 656 323 (Chem. , 1979,91, 39 299). '91 A. V. Eremeev, D. A. Tikhomirov, and Yu. V. Shubina, Khim. Geterotsikl. , 1979, 334 (Chew. , 1979, 91, 5051). Three-Me mhered Ring S y ste rns 35 Ring-opening of Aziridirtes to Acyclic Compoi4rads. The ' ~ ~ N-substituted aziridines (250; R = C 0 2 E t ,Ts, or Me) were allowed to react with a selection of organometallic compounds to determine the best reagents for ring cleavage; for (250; R = Me), decomposition was the predominant reaction.

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