Reduction of Cp2ZrCl2 with Mischmetall:  A New Method for Generating an Efficient “Cp2Zr” Equivalent

A “Cp2Zr” equivalent is generated under mild conditions (THF, room temperature) by reducing Cp2ZrCl2 with cheap and readily available mischmetall (an alloy of Ce, La, Nd, and Pr). Coupling reactions, including those of terminal alkynes, can efficiently be achieved by using this reagent.

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Published inOrganic letters Vol. 8; no. 14; pp. 2945 - 2947
Main Authors Denhez, Clément, Médégan, Sédami, Hélion, Florence, Namy, Jean-Louis, Vasse, Jean-Luc, Szymoniak, Jan
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 06.07.2006
Amer Chemical Soc
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
METAL-PROMOTED CYCLIZATION
INTRAMOLECULAR CYCLIZATION
ALKYNES
BICYCLIZATION
ZIRCONOCENE COMPLEXES
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Abstract A “Cp2Zr” equivalent is generated under mild conditions (THF, room temperature) by reducing Cp2ZrCl2 with cheap and readily available mischmetall (an alloy of Ce, La, Nd, and Pr). Coupling reactions, including those of terminal alkynes, can efficiently be achieved by using this reagent.
AbstractList A "Cp2Zr" equivalent is generated under mild conditions (THF, room temperature) by reducing Cp2ZrCl2 with cheap and readily available mischmetall (an alloy of Ce, La, Nd, and Pr). Coupling reactions, including those of terminal alkynes, can efficiently be achieved by using this reagent.
[reaction: see text] A "Cp(2)Zr" equivalent is generated under mild conditions (THF, room temperature) by reducing Cp(2)ZrCl(2) with cheap and readily available mischmetall (an alloy of Ce, La, Nd, and Pr). Coupling reactions, including those of terminal alkynes, can efficiently be achieved by using this reagent.
Author Szymoniak, Jan
Hélion, Florence
Vasse, Jean-Luc
Denhez, Clément
Namy, Jean-Louis
Médégan, Sédami
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Cites_doi 10.1055/s-2004-822398
10.1002/ejoc.200500291
10.1016/S0040-4039(03)01229-2
10.1016/j.tet.2003.07.017
10.1021/jo049662n
10.1021/JA00707A015
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INTRAMOLECULAR CYCLIZATION
ALKYNES
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ZIRCONOCENE COMPLEXES
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Snippet A “Cp2Zr” equivalent is generated under mild conditions (THF, room temperature) by reducing Cp2ZrCl2 with cheap and readily available mischmetall (an alloy of...
A "Cp2Zr" equivalent is generated under mild conditions (THF, room temperature) by reducing Cp2ZrCl2 with cheap and readily available mischmetall (an alloy of...
[reaction: see text] A "Cp(2)Zr" equivalent is generated under mild conditions (THF, room temperature) by reducing Cp(2)ZrCl(2) with cheap and readily...
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SubjectTerms Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
Title Reduction of Cp2ZrCl2 with Mischmetall:  A New Method for Generating an Efficient “Cp2Zr” Equivalent
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