申请人:KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
公开号:US20170260216A1
公开(公告)日:2017-09-14
A hydrosilylation iron catalyst prepared from a two-electron ligand (L) and a mononuclear, binuclear, or trinuclear complex of iron indicated by formula (1), Fe having bonds with carbon atoms included in X and the total number of Fe-carbon bonds being 2-10. As a result of using iron, the hydrosilylation iron catalyst is advantageous from a cost perspective as well as being easily synthesized. Hydrosilylation reactions can be promoted under mild conditions by using this catalyst.
Fe(X)
a
(1)
(in the formula, each X independently indicates a C2-30 ligand that may include an unsaturated group excluding carbonyl groups (CO groups) and cyclopentadienyl groups, however at least one X includes an unsaturated group, a indicates an integer of 2-4 per Fe atom.)
申请人:KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION 고쿠리쓰다이가쿠호진 규슈다이가쿠(520070190503)
公开号:KR20150125983A
公开(公告)日:2015-11-10
식 (1)로 표시되는 철-규소 결합을 갖는 단핵 철 착물은 하이드로실릴화 반응, 수소화 반응, 카본일 화합물의 환원 반응의 3 반응에 우수한 촉매 활성을 발휘할 수 있다. (식 중, R∼R은, 서로 독립하여, 수소 원자, X로 치환되어 있어도 되는 알킬기, 아릴기, 아르알킬기 등을 나타내거나, R∼R 중 어느 하나와 R∼R 중 어느 하나의 적어도 1쌍이 하나로 합쳐진 가교 치환기를 나타내고, X는 할로젠 원자, 오가노옥시기 등을 나타내고, L은 CO 이외의 2전자 배위자를 나타내고, L이 복수 존재하는 경우, 그것들은 서로 동일해도 상이해도 되고, L이 2개인 경우, 그것들은 서로 결합하고 있어도 되며, n 및 m은 서로 독립하여 1∼3의 정수를 나타내지만, n+m은 3 또는 4를 충족시킨다.)
Iron disilyl dicarbonyl complex 1, in which two HâSi moieties of the 1,2-bis(dimethylsilyl)benzene ligand were coordinated to the iron center in an η2-(HâSi) fashion, was synthesized by the reaction of (η4-C6H8)Fe(CO)3 with 2 equiv. of 1,2-bis(dimethylsilyl)benzene under photo-irradiation. Complex 1 demonstrated high catalytic activity toward the hydrogenation of alkenes, the hydrosilylation of alkenes and the reduction of carbonyl compounds.