A novel carbocatalytic hydride transfer strategy for efficient reduction of structurally different aldehydes and ketones in water |
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Authors: | Vijai K Rai Suhasini Mahata Smita R Bhardiya Prashant Shukla Ankita Rai Manorama Singh |
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Institution: | 1. Department of Chemistry, Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh 495 009, India;2. School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110 029, India |
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Abstract: | Reduced graphene oxide (rGO)–NaBH4 is reported as mild and efficient catalyst-system for chemo-/regioselective reduction of structurally different aliphatic, aromatic as well as α,β-unsaturated aldehydes and ketones in water. The rGO was prepared by reducing graphene oxide using Tulsi leaf extract as bio-reductant. Operational simplicity, ambient reaction condition, high yield of pure products (80–97%), no by-product formation, no use of column chromatography for purification are the salient features of the envisaged protocol. Furthermore, the recovered TRGO was recycled and reused for subsequent reductions up to five times without any loss in activity. |
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Keywords: | Bio-reduced graphene oxide Regioselective reduction Aldehydes Ketones Aqueous medium |
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