References
- Tanaka K. Kitahara Y. , J. Chem. Soc., Chem. Commun. , 1141 ( 1998 ).
- Tanaka K. Shogase Y. Osuga H. Suzuki H. Nakanishi W. Nakamura N. Kawai Y. , J. Chem. Soc., Chem. Commun. , 1873 ( 1995 ).
- Tanaka K. Kitahara Y. , Manuscript in preparation.