Ullmann's Encyclopedia of Industrial Chemistry 2019
DOI: 10.1002/14356007.a04_495.pub2
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Butyrolactone

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Cited by 18 publications
(20 citation statements)
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“…Amongst them, Cyrene™ allowed full conversion of isocyanide 1a after two hours reaction time, while GBL and DMSO also led to high conversions (92 and 85%, respectively). Both GBL and Cyrene™ are greener alternatives if compared to DMSO and are synthesized from renewable resources (butane-1,4-diol 95 and cellulose, 96 respectively), thus decreasing the overall environmental impact. However, more volatile compounds would allow an easier removal and recycling of the solvent.…”
Section: Resultsmentioning
confidence: 99%
“…Amongst them, Cyrene™ allowed full conversion of isocyanide 1a after two hours reaction time, while GBL and DMSO also led to high conversions (92 and 85%, respectively). Both GBL and Cyrene™ are greener alternatives if compared to DMSO and are synthesized from renewable resources (butane-1,4-diol 95 and cellulose, 96 respectively), thus decreasing the overall environmental impact. However, more volatile compounds would allow an easier removal and recycling of the solvent.…”
Section: Resultsmentioning
confidence: 99%
“…The method, used mainly by BASF, involves a series of dehydrogenation reactions starting from 1,4-butanediol, through γ-hydroxybutyroaldehyde and 2-hydroxytetrahydrofuran to γ-butyrolactone. The process is carried out in the presence of a copper catalyst at 180-300 • C and the by-product is hydrogen which, after purification and removal of the residual carbon monoxide, for example by methanation, can be recycled back to the process [24].…”
Section: Methods For the Synthesis Of Lactonesmentioning
confidence: 99%
“…A simple γ -butyrolactone is itself a broadly used material [ 152 ] as a solvent, extraction agent, and intermediate for polymers, pharmaceutics, herbicides, rubber production, etc. The oxidative lactonization of 1,4-butanediol under an efficient catalytic system has been a dominant industrial process because of its significant advantages [ 152 ]. This method does not produce any waste except for reusable hydrogen gas.…”
Section: Synthesis Of γ -Butyrolactonesmentioning
confidence: 99%