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An isolable magnesium diphosphaethynolate complex

Author(s): Robert J. Gilliard ¹ ^, ² ^, ³ ^, ⁴ ^, ⁵ , Dominikus Heift ⁵ ^, ⁶ ^, ⁷ ^, ¹ ^, ⁸ , Zoltán Benkő ⁹ ^, ¹⁰ , Jerod M. Keiser ¹ ^, ² ^, ³ ^, ⁴ , Arnold L. Rheingold ¹ ^, ¹¹ ^, ¹² ^, ⁴ , Hansjörg Grützmacher ⁵ ^, ⁶ ^, ⁷ , John D. Protasiewicz ¹ ^, ² ^, ³ ^, ⁴

Publication date (Electronic): 2018

Journal: Dalton Transactions

Publisher: Royal Society of Chemistry (RSC)

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Abstract

The reaction of magnesium chloride with two equivalents of sodium phosphaethynolate, Na[OCP]·(dioxane) _2.5 ( 1), yields a magnesium diphosphaethynolate complex, [(THF) ₄Mg(OCP) ₂] ( 3 ).

Abstract

The reaction of magnesium chloride with two equivalents of sodium phosphaethynolate, Na[OCP]·(dioxane) _2.5 ( 1), yields a magnesium diphosphaethynolate complex, [(THF) ₄Mg(OCP) ₂] ( 3). The formation of compound 3 goes through a monosubstituted chloromagnesium phosphaethynolate Mg(OCP)Cl ( 2). The structure of 3 was determined via a single crystal X-ray diffraction study. For comparison, we also report the structure of a monomeric sodium phosphaethynolate complex, [Na(OCP)(dibenzo-18-crown-6)] ( 4).

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Most cited references 24

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Synthesis of Anionic Phosphorus-Containing Heterocycles by Intramolecular Cyclizations Involving N-Functionalized Phosphinecarboxamides

Thomas P. Robinson, Jose M Goicoechea (2015)

We report that the 2-phosphaethynolate anion (PCO−) reacts with propargylamines in the presence of a proton source to afford novel N-derivatized phosphinecarboxamides bearing alkyne functionalities. Deprotonation of these species gives rise to novel five- and six-membered anionic heterocycles resulting from intramolecular nucleophilic attack of the resulting phosphide at the alkyne functionality (via 5-exo-dig or 6-endo-dig cyclizations, respectively). The nature of the substituents on the phosphinecarboxamide can be used to influence the outcome of these reactions. This strategy represents a unique approach to phosphorus-containing heterocylic systems that are closely related to known organic molecules with interesting bio-active properties.

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A Singlet Phosphinidene Stable at Room Temperature

Liu Liu, David A. Ruiz, Dominik Munz … (2016)

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Phosphination of Carbon Monoxide: A Simple Synthesis of Sodium Phosphaethynolate (NaOCP)

Coenradus Hendriksen, Zoltan A. Gal, Hans-Friedrich Grützmacher … (2011)

0 comments Cited 51 times – based on 0 reviews      Review now

Author and article information

Journal

Journal ID (publisher-id): ICHBD9

Title: Dalton Transactions

Abbreviated Title: Dalton Trans.

Publisher: Royal Society of Chemistry (RSC)

ISSN (Print): 1477-9226

ISSN (Electronic): 1477-9234

Publication date Created: 2018

Publication date (Electronic): 2018

Volume: 47

Issue: 3

Pages: 666-669

Affiliations

[1 ]Department of Chemistry

[2 ]Case Western Reserve University

[3 ]Cleveland

[4 ]USA

[5 ]Department of Chemistry and Applied Biosciences

[6 ]ETH Zurich

[7 ]Switzerland

[8 ]Durham University

[9 ]Budapest University of Technology and Economics

[10 ]Hungary

[11 ]University of California

[12 ]San Diego, La Jolla

Article

DOI: 10.1039/C7DT04539E

SO-VID: 6760283c-8a12-49ca-92ca-f94497c30749

Copyright © © 2018

License:

http://creativecommons.org/licenses/by-nc/3.0/

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