Metallfreie Diborierung von Nitrilen durch Aktivierung eines elektronenreichen Diborans

The β‐borylborole 3 adds phenylacetylene in a [4+2]‐cycloaddition to give the boryl‐substituted 7‐boranorbornadiene derivative 4 b. Thermolysis (60 °C) results in a rearrangement with B−B coupling to give the tetraaryldiborane(4) 6 b. It splits dihydrogen with cleavage of the B−B bond. With the terminal acetylene 1‐pentyne the diborane(4) compound 6 b undergoes a rare 1,1‐diboration reaction to yield the respective geminal diborylalkene product 14.

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The Borole Route to Reactive Pentafluorophenyl‐Substituted Diboranes(4)

Tao

Daniliuc

et al. 2018

Angewandte Chemie

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Reactivity of Highly Lewis‐Acidic Diborane(4) toward C≡N and N=N Bonds: Uncatalyzed Addition and N=N Bond‐Cleavage Reactions

Katsuma

Lin

et al. 2018

Angewandte Chemie

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The Borole Route to Reactive Pentafluorophenyl‐Substituted Diboranes(4)

Tao

Daniliuc

et al. 2018

Angew Chem Int Ed

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The β-borylborole 3 adds phenylacetylene in a [4+2]-cycloaddition to give the boryl-substituted 7-boranorbornadiene derivative 4 b. Thermolysis (60 °C) results in a rearrangement with B-B coupling to give the tetraaryldiborane(4) 6 b. It splits dihydrogen with cleavage of the B-B bond. With the terminal acetylene 1-pentyne the diborane(4) compound 6 b undergoes a rare 1,1-diboration reaction to yield the respective geminal diborylalkene product 14.

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Metallfreie Diborierung von Nitrilen durch Aktivierung eines elektronenreichen Diborans

Cited by 9 publications

References 24 publications

The Borole Route to Reactive Pentafluorophenyl‐Substituted Diboranes(4)

The Borole Route to Reactive Pentafluorophenyl‐Substituted Diboranes(4)

Reactivity of Highly Lewis‐Acidic Diborane(4) toward C≡N and N=N Bonds: Uncatalyzed Addition and N=N Bond‐Cleavage Reactions

The Borole Route to Reactive Pentafluorophenyl‐Substituted Diboranes(4)

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