Visible-light-driven amino acids production from biomass-based feedstocks over ultrathin CdS nanosheets.

Abstract:

:Chemical synthesis of amino acids from renewable sources is an alternative route to the current processes based on fermentation. Here, we report visible-light-driven amination of biomass-derived α-hydroxyl acids and glucose into amino acids using NH3 at 50 °C. Ultrathin CdS nanosheets are identified as an efficient and stable catalyst, exhibiting an order of magnitude higher activity towards alanine production from lactic acid compared to commercial CdS as well as CdS nanoobjects bearing other morphologies. Its unique catalytic property is attributed mainly to the preferential formation of oxygen-centered radicals to promote α-hydroxyl acids conversion to α-keto acids, and partially to the poor H2 evolution which is an undesired side reaction. Encouragingly, a number of amino acids are prepared using the current protocol, and one-pot photocatalytic conversion of glucose to alanine is also achieved. This work offers an effective catalytic system for amino acid synthesis from biomass feedstocks under mild conditions.

journal_name

Nat Commun

journal_title

Nature communications

authors

Song S,Qu J,Han P,Hülsey MJ,Zhang G,Wang Y,Wang S,Chen D,Lu J,Yan N

doi

10.1038/s41467-020-18532-3

subject

Has Abstract

pub_date

2020-09-29 00:00:00

pages

4899

issue

1

issn

2041-1723

pii

10.1038/s41467-020-18532-3

journal_volume

11

pub_type

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