Activation Parameters for Three Reactions Interconverting Isomeric 4- and 6-Deuteriobicyclo[3.1.0]hex-2-enes
作者:John E. Baldwin、Edmund J. Keliher
DOI:10.1021/ja012258a
日期:2002.1.1
Tetrahedron 1971, 27, 2005-2030) and bicyclo[3.1.0]hex-2-enes (Cooke, R. S.; Andrews, U. H. J. Am. Chem. Soc. 1974, 96, 2974-2980) identified three different paths leading to distinct degenerate products. The equilibrations take place through [1,3]-carbon shifts with retention,suprafacial and inversion,antarafacial stereochemistry and a two-centered epimerization resulting in enantiomerization of the
4,4-d2- 和 6,6-d2-bicyclo[3.1.0]hex-2-enes 之间热平衡的经典研究 (Doering, W. von E.; Roth, WR Angew. Chem., Int. Ed . Engl. 1963, 2, 115-122) 以及氘标记的非外消旋 2-methyl-5-isopropylbicyclo[3.1.0]hex-2-enes (Delta3-thujenes) (Doering, W. von E. ;Lambert, JB Tetrahedron 1963, 19, 1989-1994 和 Doering, W. von E.;Schmidt, EKG Tetrahedron 1971, 27, 2005-2030) 和双环 [3.1.0] 己-2-烯(Cooke,RS; Andrews, UHJ Am. Chem. Soc. 1974, 96