Pendant functionalised triphosphamacrocycles

Peter G. Edwards; Florent Ingold; Sudantha S. Liyanage; Paul D. Newman; Wai-Kwok Wong; Yang Chen

doi:10.1002/1099-0682(200111)2001:11<2865::AID-EJIC2865>3.0.CO;2-D

Pendant functionalised triphosphamacrocycles

Peter G. Edwards^*, Florent Ingold, Sudantha S. Liyanage, Paul D. Newman, Wai-Kwok Wong, Yang Chen

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Journal article › peer-review

16 Citations (Scopus)

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Abstract

The selective functionalisation of a single phosphorus atom in the parent [Mo(CO)₃(12aneP₃H₃)], where 12aneP₃H₃ is 1,5,9-triphosphacyclododecane, has been achieved by deprotonation and subsequent reaction with an ether containing an alkyl halide group. Yields of the monosubstituted products are very sensitive to the reaction conditions, which must be carefully controlled in order to achieve reasonable selectivity. In addition, trisubstitution of [M(CO)₃-(12aneP₃H₃)] with carbon chains containing pendant donors such as ethers, thioethers, amines and phosphanes has been achieved by both deprotonation/addition (M = Mo⁰) and hydrophosphination (M = Cr⁰) protocols. The new compounds have been characterised by spectroscopic and analytical techniques, including X-ray crystallography, and a selection of the P₃ macrocycles released from their templates by oxidation and base digestion.

Original language	English
Pages (from-to)	2865-2869
Number of pages	5
Journal	European Journal of Inorganic Chemistry
Issue number	11
DOIs	https://doi.org/10.1002/1099-0682(200111)2001:11<2865::AID-EJIC2865>3.0.CO;2-D
Publication status	Published - 2001

User-Defined Keywords

Chromium
Macrocyclic ligands
Molybdenum
Phosphanes

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10.1002/1099-0682(200111)2001:11<2865::AID-EJIC2865>3.0.CO;2-D

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title = "Pendant functionalised triphosphamacrocycles",

abstract = "The selective functionalisation of a single phosphorus atom in the parent [Mo(CO)3(12aneP3H3)], where 12aneP3H3 is 1,5,9-triphosphacyclododecane, has been achieved by deprotonation and subsequent reaction with an ether containing an alkyl halide group. Yields of the monosubstituted products are very sensitive to the reaction conditions, which must be carefully controlled in order to achieve reasonable selectivity. In addition, trisubstitution of [M(CO)3-(12aneP3H3)] with carbon chains containing pendant donors such as ethers, thioethers, amines and phosphanes has been achieved by both deprotonation/addition (M = Mo0) and hydrophosphination (M = Cr0) protocols. The new compounds have been characterised by spectroscopic and analytical techniques, including X-ray crystallography, and a selection of the P3 macrocycles released from their templates by oxidation and base digestion.",

keywords = "Chromium, Macrocyclic ligands, Molybdenum, Phosphanes",

author = "Edwards, {Peter G.} and Florent Ingold and Liyanage, {Sudantha S.} and Newman, {Paul D.} and Wai-Kwok Wong and Yang Chen",

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T1 - Pendant functionalised triphosphamacrocycles

AU - Edwards, Peter G.

AU - Ingold, Florent

AU - Liyanage, Sudantha S.

AU - Newman, Paul D.

AU - Wong, Wai-Kwok

AU - Chen, Yang

PY - 2001

Y1 - 2001

N2 - The selective functionalisation of a single phosphorus atom in the parent [Mo(CO)3(12aneP3H3)], where 12aneP3H3 is 1,5,9-triphosphacyclododecane, has been achieved by deprotonation and subsequent reaction with an ether containing an alkyl halide group. Yields of the monosubstituted products are very sensitive to the reaction conditions, which must be carefully controlled in order to achieve reasonable selectivity. In addition, trisubstitution of [M(CO)3-(12aneP3H3)] with carbon chains containing pendant donors such as ethers, thioethers, amines and phosphanes has been achieved by both deprotonation/addition (M = Mo0) and hydrophosphination (M = Cr0) protocols. The new compounds have been characterised by spectroscopic and analytical techniques, including X-ray crystallography, and a selection of the P3 macrocycles released from their templates by oxidation and base digestion.

AB - The selective functionalisation of a single phosphorus atom in the parent [Mo(CO)3(12aneP3H3)], where 12aneP3H3 is 1,5,9-triphosphacyclododecane, has been achieved by deprotonation and subsequent reaction with an ether containing an alkyl halide group. Yields of the monosubstituted products are very sensitive to the reaction conditions, which must be carefully controlled in order to achieve reasonable selectivity. In addition, trisubstitution of [M(CO)3-(12aneP3H3)] with carbon chains containing pendant donors such as ethers, thioethers, amines and phosphanes has been achieved by both deprotonation/addition (M = Mo0) and hydrophosphination (M = Cr0) protocols. The new compounds have been characterised by spectroscopic and analytical techniques, including X-ray crystallography, and a selection of the P3 macrocycles released from their templates by oxidation and base digestion.

KW - Chromium

KW - Macrocyclic ligands

KW - Molybdenum

KW - Phosphanes

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DO - 10.1002/1099-0682(200111)2001:11<2865::AID-EJIC2865>3.0.CO;2-D

M3 - Journal article

AN - SCOPUS:0034749738

SN - 1434-1948

SP - 2865

EP - 2869

JO - European Journal of Inorganic Chemistry

JF - European Journal of Inorganic Chemistry

IS - 11

ER -

Pendant functionalised triphosphamacrocycles

Abstract

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