高配位有機ゲルマニウム化合物の合成と構造

• 竹内 敬人

  神奈川大学理学部化学科

• 西川 実希

  理化学研究所 ゲノム科学総合研究センター 遺伝子構造・機能研究グループ

• 杉山 佑介

  京都大学大学院理学研究科化学専攻

書誌事項

タイトル別名

• Synthesis and Structure of Some Hypercoordinated Organogermanium Compounds
• コウハイイ ユウキ ゲルマニウム カゴウブツ ノ ゴウセイ ト コウゾウ

抄録

Hypercoordination (hypervalency) of some organo-silicon or -germanium compounds has attracted considerable attention. We were interested in hypercoordinated triarylgermane (1a) in which NMe₂ group is the ligand. We prepared some analogs of la with a t-BuO (1b) or MeS (1c) group as the ligand in which the germanium atom was found hypercoordinated. We also prepared a series of derivatives of OMe (4a) species in which such substituents as halogen (4b-4d), Me (4e) or Ph (4f) were introduced. All compounds except 4f were found hypercoordinated though the structure varies depending on the nature of the substituent on germanium. A novel group of hypercoordinated organogermanium compounds was also prepared and their structure was elucidated. The dynamic behavior of these was explained in terms of pseudorotation. A method to prove the existence of hypercoordination of germanium atom was proposed based on the halfwidth of ⁷³Ge NMR resonances.

収録刊行物

• 有機合成化学協会誌

  有機合成化学協会誌 62 (7), 727-736, 2004

  公益社団法人 有機合成化学協会

キーワード

• hypercoordination
• hypervalency
• organogermanium compound
• tricapped tetrahedron
• trigonal bipyramid
• % TBP
• pseudorotation
• <SUP>73</SUP>Ge halfwidth

詳細情報

• CRID: 1390001205312853760
• NII論文ID: 10013274915
• NII書誌ID: AN0024521X
• DOI: 10.5059/yukigoseikyokaishi.62.727
• ISSN: 18836526
• ISSN: 00379980
• NDL書誌ID: 7029442
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I7029442
• 本文言語コード: ja
• データソース種別:
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• 抄録ライセンスフラグ: 使用不可