Selective catalysis for cellulose conversion to lactic acid and other α-hydroxy acids

Area of Science:

• Biomass Conversion
• Catalysis
• Organic Synthesis

Background:

• Lactic acid is a key platform chemical derived from biomass, essential for green solvents and bioplastics.
• Current fermentative synthesis may limit large-scale production, necessitating alternative methods.
• Carbohydrate biomass conversion presents opportunities for sustainable chemical production.

Purpose of the Study:

• To review topical chemical routes and catalysis for converting carbohydrates to lactic acid and other α-hydroxy acids.
• To guide readers through complex reaction networks in synthetic lactate production.
• To highlight recent catalytic advancements for valuable α-hydroxy acids.

Main Methods:

• Exploration of multifunctional and heterogeneous catalysis for carbohydrate conversion.
• Analysis of reaction cascades involved in lactic acid synthesis.
• Review of catalytic routes for glycolic acid and related compounds.

Main Results:

• Chemical routes using catalysis offer an alternative to fermentation for lactic acid production.
• Selective retro-aldol activity is crucial for efficient carbohydrate-to-lactate conversion.
• Catalysis enables the synthesis of other α-hydroxy acids like glycolic acid.

Conclusions:

• Catalytic conversion of biomass offers a scalable alternative for producing lactic acid and other α-hydroxy acids.
• Development of selective catalysts is key to overcoming limitations in current production methods.
• Further research into catalytic routes can unlock the potential of biomass for valuable chemical synthesis.