References and Notes
- Mckenna , E. G. and Walker , B. J. 1989 . Chem. Commun. , : 568
- Brown , H. C. and Bhat , N. G. 1988 . J. Org. Chem. , 53 : 6009
- Ogawa , A , Tsuboi , Y , Obayashi , R , Yokoyama , K , Ryu , I. and Sonoda , N. 1994 . J. Org. Chem. , 59 : 1601
- Uemura , S. , Fukuzawa , S. I. and Pati , S. R. 1983 . J. Organomet. Chem. , 243 : 9
- In lit. 4, Uemura have used cat. amount Ni(PPh3)2Cl2 to catalysize the coupling reaction of ethyl (Z)-3-phenyltelluropropenoate with phenyl Grignard rengent, but he obtained the coupling product only in 28% yield.
- For 3,3-disubstituted propenoates, see (a) Jalander L. Broms M. Acta. Chem. Scand. B. 1983 B 37 173
- Jones , G. and Maisey , R. F. 1968 . Chem. Commun. , : 543
- Texier-Boulet , F. and Foucaud , A. 1979 . Synthesis , : 884 Our products 3 have the same spetra data with E-type products of above references