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Updated: Aug 29, 2025

Efficient Synthesis of All-Carbon Quaternary Centers via the Conjugate Addition of Functionalized Monoorganozinc Bromides
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Efficient Synthesis of All-Carbon Quaternary Centers via the Conjugate Addition of Functionalized Monoorganozinc Bromides

Published on: May 26, 2019

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一个长时间稳定的 ((III) 化合物的合成:协调化学和二化

Ananya Saju, Justin R Griffiths, Samantha N MacMillan1

  • 1Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States.

Journal of the American Chemical Society
|September 6, 2022
PubMed
概括

一个新的化复合物[MnCl3(OPPh3) ] (1),提供了稳定且可访问的三化 (MnCl3) 源. 这种复合物通过激素机制促进了各种合成应用,包括二化和协调反应.

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Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV10:42

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Radical Oxidation of Allylic and Benzylic Alcohols

Activated manganese(IV) oxide can selectively oxidize allylic and benzylic alcohols via a radical intermediate mechanism. Primary allylic alcohols are oxidized to aldehydes, while secondary allylic alcohols yield ketones. The redox reaction of potassium permanganate with an Mn(II) salt such as manganese sulfate (under either alkaline or acidic conditions), followed by thorough drying, yields the oxidizing agent: activated MnO2. While MnO2 is insoluble in the solvents used for the reaction, the...
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Consider the bromination of cyclopentene. Molecular bromine is polarized in the proximity of the π electrons of cyclopentene. An electrophilic bromine atom adds across the double bond, forming a cyclic bromonium ion intermediate.
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