The activation of new starting materials
The activation of new starting materials
The synthesis of catechol Traditionally: C6H6 CH3 CH CH2H3 PO4 CH6 CH5 CH(CH3 ) 2 1) O2 /80-130 OC 2) SO2 /60-100 OC CH6 CH5OH + CH3 COCH3 70-80OC 70%H2O2 ,EDTAFe 2+orc 2+ OH OH OH OH + Benzene is harmful， Too many steps， By-products (ketene hydroquinone)， SO2 is not safe chemicals
The synthesis of catechol Traditionally: C6H6 CH3 CH CH2H3 PO4 CH6 CH5 CH(CH3 ) 2 1) O2 /80-130 OC 2) SO2 /60-100 OC CH6 CH5OH + CH3 COCH3 70-80OC 70%H2O2 ,EDTAFe 2+orc 2+ OH OH OH OH + Benzene is harmful， Too many steps， By-products (ketene hydroquinone)， SO2 is not safe chemicals
Draths & Frost glucose as starting martial OH OH O OH OH OH HO OH E.Coli AB2834pPKD136/pKDp.06PA Avoid the usage of toxic and harmful chemicals and sharply decrease the yield of by-products
Draths & Frost glucose as starting martial OH OH O OH OH OH HO OH E.Coli AB2834pPKD136/pKDp.06PA Avoid the usage of toxic and harmful chemicals and sharply decrease the yield of by-products
3. Catalysis and Process Promotion
3. Catalysis and Process Promotion
CH2=CH2 O2 PdCl2 CuCl2水溶液 CH3CHO Disadvantages: Consume large amount of catalysts The consternation of Cl- is greater, and can lead to the formation of chromate by-products. Those by-products is harmful to human healthy ❖1. The synthesis of acetic aldehyde
CH2=CH2 O2 PdCl2 CuCl2水溶液 CH3CHO Disadvantages: Consume large amount of catalysts The consternation of Cl- is greater, and can lead to the formation of chromate by-products. Those by-products is harmful to human healthy ❖1. The synthesis of acetic aldehyde