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2 article(s) from Tomida, Yutaka

Homocoupling of aryl halides in flow: Space integration of lithiation and FeCl₃ promoted homocoupling

Aiichiro Nagaki,
Yuki Uesugi,
Yutaka Tomida and
Jun-ichi Yoshida

Beilstein J. Org. Chem. 2011, 7, 1064–1069, doi:10.3762/bjoc.7.122

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Scheme 1: Halogen–lithium exchange of p-bromoanisole followed by reaction with methanol.

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Figure 1: Flow microreactor system for halogen–lithium exchange of aryl halide followed by reaction with meth...

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Figure 2: Effects of the temperature (T) and the residence time in R1 (t^R1) on the yield of anisole in the Br...

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Scheme 2: Halogen-lithium exchange of p-bromoanisole followed by oxidative homocoupling with FeCl₃.

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Figure 3: Integrated flow microreactor system for oxidative homocoupling reaction of aryllithium with FeCl₃. ...

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Figure 4: Effects of the temperature (T) and the residence time in R2 (t^R2) on the yield of 4,4'-dimethoxybip...

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Published 02 Aug 2011

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Synthesis of unsymmetrically substituted biaryls via sequential lithiation of dibromobiaryls using integrated microflow systems

Aiichiro Nagaki,
Naofumi Takabayashi,
Yutaka Tomida and
Jun-ichi Yoshida

Beilstein J. Org. Chem. 2009, 5, No. 16, doi:10.3762/bjoc.5.16

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Scheme 1: Sequential introduction of two electrophiles onto dibromobiaryls using Br-Li exchange reactions.

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Scheme 2: Br-Li exchange reaction of 2,2′-dibromobiphenyl (1) with n-BuLi using a conventional macrobatch rea...

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Figure 1: Microflow system for Br-Li exchange reaction of 2,2′-dibromobiphenyl (1). T-shaped micromixer: M1 (...

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Figure 2: Effect of temperature and residence time in Br-Li exchange reaction of 2,2′-dibromobiphenyl (1) usi...

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Figure 3: A microflow system for sequential introduction of two electrophiles. T-shaped micromixer: M1 (ø = 2...

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Scheme 3: Br-Li exchange reaction of 4,4′-dibromobiphenyl (17) with n-BuLi using a conventional macrobatch re...

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Figure 4: Microflow system for Br-Li exchange reaction of 4,4′-dibromobiphenyl (17). T-shaped micromixer: M1 ...

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Figure 5: Effect of temperature and residence time in Br-Li exchange reaction of 4,4′-dibromobiphenyl (17) us...

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Published 29 Apr 2009

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Homocoupling of aryl halides in flow: Space integration of lithiation and FeCl3 promoted homocoupling

Synthesis of unsymmetrically substituted biaryls via sequential lithiation of dibromobiaryls using integrated microflow systems

Homocoupling of aryl halides in flow: Space integration of lithiation and FeCl₃ promoted homocoupling