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1986•Journal of the Chemical Society Perkin Transactions 1Requires access

β-Diketone interactions. Part 1. Pentane-2,4-dione–diethylamine adduct. X-Ray structure reveals novel hydrogen-bonded dimer

John Emsley, Neville J. Freeman, Robert Parker, Helen M. Dawes, Michael B. Hursthouse

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Abstract

When mixed, pentane-2,4-dione (PD) and diethylamine (DEA) produce unstable crystals of a 1 : 1 adduct which slowly condense with time to form 4-diethylaminopent-3-en-2-one. An X-ray crystal structure of the adduct shows it to be a dimer with alternate PD and DEA molecules held together by N–H ⋯O hydrogen bonds one of which is a three-centre hydrogen bond.

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What this paper is about

When mixed, pentane-2,4-dione (PD) and diethylamine (DEA) produce unstable crystals of a 1 : 1 adduct which slowly condense with time to form 4-diethylaminopent-3-en-2-one. An X-ray crystal structure of the adduct shows it to be a dimer with alternate PD and DEA molecules held together by N–H ⋯O hydrogen bonds one of which is a three-centre hydrogen bond.

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Available abstract

When mixed, pentane-2,4-dione (PD) and diethylamine (DEA) produce unstable crystals of a 1 : 1 adduct which slowly condense with time to form 4-diethylaminopent-3-en-2-one. An X-ray crystal structure of the adduct shows it to be a dimer with alternate PD and DEA molecules held together by N–H ⋯O hydrogen bonds one of which is a three-centre hydrogen bond.

Key concepts: Diethylamine, Adduct, Dimer, Chemistry, Pentane, Hydrogen bond, Molecule, Crystal structure

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β-Diketone interactions. Part 1. Pentane-2,4-dione–diethylamine adduct. X-Ray structure reveals novel hydrogen-bonded dimer — Research Paper | ScholarLens