Phosphoric acid
CAS number: 7664-38-2
Phosphoric acid (H3PO4) is a colorless syrupy liquid. It is also known as orthophosphoric acid and its available analytical grade is 85%. Phosphoric acid is made from the mineral phosphorus, which is found naturally in many foods.
Related images
Concept of Dual Catalytic Gold and Organic Phosphoric Acid Enantioselective Cyclization Cascade
Chiral phosphoric acid catalysts.
![N,N-diallyl-p-toluenesulfonamide (5) was cycloisomerized in [D8]toluene (0.17 m) at 50 °C in the presence of B (5 mol%) and 2b (1 equiv). The relative contents of B, G and decomposition products were estimated by 31P NMR spectroscopy with H3PO4 (85%) as external standard and 1,2;5,6-dibenzanthracene (5 mol%) as internal standard.](http://www.wlxkc.cn/picture/1560075_38.png)
N,N-diallyl-p-toluenesulfonamide (5) was cycloisomerized in [D8]toluene (0.17 m) at 50 °C in the presence of B (5 mol%) and 2b (1 equiv). The relative contents of B, G and decomposition products were estimated by 31P NMR spectroscopy with H3PO4 (85%) as external standard and 1,2;5,6-dibenzanthracene (5 mol%) as internal standard.
BINOL-derived chiral phosphoric acid-catalyzed enantioselective B-V reaction of 3-substituted cyclobutanones
Related Questions and Answers
No related questions yet