The reaction of the first stable (E)-1,2-bisferrocenyldisilene, Tip(Fc)Si˭Si(Fc)Tip (Tip = 2,4,6-triisopropylphenyl, Fc = ferrocenyl), with aerobic oxygen afforded the corresponding trans-1,3,2,4-dioxadisiletane exclusively, while the reaction of Tip(Fc)Si˭Si(Fc)Tip with an excess amount of elemental selenium gave the corresponding trans-selenadisilirane in high yield. The structural parameters of the isolated trans-1,3,2,4-dioxadisiletane and trans-selenadisilirane were revealed by X-ray crystallographic analysis, and the results were compared with those of related compounds.
Acknowledgments
Dedicated to Professor Naomichi Furukawa on the occasion of his 70th birthday.
This work was partially supported by Grants-in-Aid for Creative Scientific Research (No. 17GS0207), Science Research on Priority Areas (No. 19027024, “Synergy of Elements”), and the Global COE Program (B09, “Integrated Material Science”) from Ministry of Education, Culture, Sports, Science and Technology, Japan. T.S. is thankful for the financial support from Daiichi Pharmaceutical Co., Ltd.
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