References
- Tori , H. , Yamamoto , Y. , Sonoda , A. and Murushashi . 1981 . Tetrahedron , 37 : 2261
- Bell , S. M. and Brown , H. C. 1966 . J. Am. Chem. Soc , : 1473
- Huthim , R. O. , Kandasamy , D. , Maryonoff , C. A. and Masilamani , B. J. Org. Chem , 42 82
- Yoshida , C. T. and Negishi , Q. 1974 . J. Chem. Soc. Chem. Commun. , : 763
- Raber , D. J. and Guida , W. C. 1976 . J. Org. Chem. , 41 : 690
- PMR data (6a) δ0.8(3H,t), δ1.1–1.5(18H, broad), δ3.4(3H,t); (6b) 50.9(3H,t), δ1.2 ‐1.6 (32H, broad), δ3.5(3H,t); (6c) δ0.9(3H,t), 83.4(2H,q), δ7.2(2H,d), δ7.8(2H,d)