Conclusions
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1.
The endo and exo adducts of 1,3-diferrocenyl-1,3-butadiene with N-phenylmaleimide were obtained and their PMR spectra were analyzed.
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2.
X-ray diffraction structural analysis was used to find the crystal and molecular structure of endo isomer which is formed in larger amounts.
Literature cited
E. I. Klimova, A. N. Pushin, and V. A. Sazonova, J. Organometal. Chem.,270, 319 (1984).
K. Schlögl and M. Widhalm, Monatsch. Chem.,112, 91 (1981).
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Deceased.
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 701–703, March, 1986.
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Chekhlov, A.N., Solov'ev, V.N., Pushin, A.N. et al. Cycloaddition of 1,3-diferrocenyl-1,3-butadiene to N-phenylmaleimide. Russ Chem Bull 35, 642–644 (1986). https://doi.org/10.1007/BF00953249
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DOI: https://doi.org/10.1007/BF00953249