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2017 Fiscal Year Final Research Report

Generation of metal-carbene species without using diazo-comoounds and its synthetic application

Research Project

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Project/Area Number 15K13686
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Synthetic chemistry
Research InstitutionHokkaido University

Principal Investigator

MATSUNAGA Shigeki  北海道大学, 薬学研究院, 教授 (50334339)

Research Collaborator SHIGENO Daiki  
MIYAZAWA Taku  
TAKIZAWA Kouji  
SUNADOI Yuta  
SATAKE Shun  
Project Period (FY) 2015-04-01 – 2018-03-31
Keywords遷移金属触媒 / 遷移金属カルベン / 直接変換 / シクロプロパン / コバルト / ルテニウム
Outline of Final Research Achievements

We tried to develop new methods to generate transition metal-carbene species without using diazo compounds. We initially tried direct generation of the transition metal-carbene species from methylene compounds under oxidative conditions; but, all trials failed. Thus, we investigated alternative methods by using iodonium ylides as starting materials. In this case, the reaction proceeded smoothly. Therefore, we then turned our attention to develop new chiral catalysts for stereocontrol using iodonium ylides. After intensive investigation, we finally found chiral Ru complex was the best, giving cyclopropanes in up to 97% enantioselectivity.

Free Research Field

合成化学

URL: 

Published: 2019-03-29  

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