Reversible Isomerizations between 1,4-Digermabenzenes and 1,4-Digerma-Dewar-benzenes: Air-Stable Activators for Small Molecules
- Tomohiro SugaharaTomohiro SugaharaInstitute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, JapanMore by Tomohiro Sugahara,
- Jing-Dong GuoJing-Dong GuoInstitute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, JapanIntegrated Research Consortium on Chemical Sciences, Kyoto University, Gokasho, Uji, Kyoto 611-0011, JapanMore by Jing-Dong Guo,
- Daisuke HashizumeDaisuke HashizumeRIKEN Center for Emergent Matter Science (CEMS), 2-1 Hirosawa, Wako, Saitama 351-0198, JapanMore by Daisuke Hashizume,
- Takahiro Sasamori*Takahiro Sasamori*[email protected]Graduate School of Natural Sciences, Nagoya City University, Yamanohata 1, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8501, JapanMore by Takahiro Sasamori, and
- Norihiro TokitohNorihiro TokitohInstitute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, JapanIntegrated Research Consortium on Chemical Sciences, Kyoto University, Gokasho, Uji, Kyoto 611-0011, JapanMore by Norihiro Tokitoh
Abstract

The first examples of stable, crystalline, and air-sensitive 1,4-digermabenzenes were isolated. These species photochemically isomerize into the corresponding air-stable digerma-Dewar-benzenes. More importantly, alkyl-substituted Dewar-type-1,4-digermabenzenes can be considered as reversible “air-stable activators” for small molecules such as dihydrogen, carbon dioxide, and acetylene at room temperature. The regeneration of these activators can be accomplished via a thermal retro-isomerization that affords the corresponding 1,4-digermabenzenes.
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