A simple and efficient synthetic protocol has been developed using a one-pot, three-component reaction involving 2-amino phenols, dialkyl acetylene dicarboxylates and nitrostyrene derivatives. Utilizing this protocol,...A simple and efficient synthetic protocol has been developed using a one-pot, three-component reaction involving 2-amino phenols, dialkyl acetylene dicarboxylates and nitrostyrene derivatives. Utilizing this protocol, a variety of novel pyrrolo-1,4-benzoxazine derivatives were synthesized in excellent yields.展开更多
A poly(2-Amino-Phenol-P-Sulphonic acid)Modified Electrode was prepared by cyclic voltammetry and the electrochemical behavior of Uric Acid(UA)on this modified electrode was studied.The result was showed that this modi...A poly(2-Amino-Phenol-P-Sulphonic acid)Modified Electrode was prepared by cyclic voltammetry and the electrochemical behavior of Uric Acid(UA)on this modified electrode was studied.The result was showed that this modified electrode has strong electrocatalytic functionality for UA,and strong anti-jamming impact for Ascorbic acid(AA).In pH=5.6 KH2PO4-Na2HPO4 buffer solution,use cyclic voltammetry and difference pulse voltammetry,the linear rang for determining UA was 8.0×10-6mol/L～2.0×10-4 mol/L(CV)and 4.0×10-7mol/L～1.0×10-5mol/L(DPV),The detection limit is 6.0×10-6 mol/L and 1.0×10-7 mol/L.Use of this method for measurement of UA in urine obtained satisfactory results.展开更多
文摘A simple and efficient synthetic protocol has been developed using a one-pot, three-component reaction involving 2-amino phenols, dialkyl acetylene dicarboxylates and nitrostyrene derivatives. Utilizing this protocol, a variety of novel pyrrolo-1,4-benzoxazine derivatives were synthesized in excellent yields.
文摘A poly(2-Amino-Phenol-P-Sulphonic acid)Modified Electrode was prepared by cyclic voltammetry and the electrochemical behavior of Uric Acid(UA)on this modified electrode was studied.The result was showed that this modified electrode has strong electrocatalytic functionality for UA,and strong anti-jamming impact for Ascorbic acid(AA).In pH=5.6 KH2PO4-Na2HPO4 buffer solution,use cyclic voltammetry and difference pulse voltammetry,the linear rang for determining UA was 8.0×10-6mol/L～2.0×10-4 mol/L(CV)and 4.0×10-7mol/L～1.0×10-5mol/L(DPV),The detection limit is 6.0×10-6 mol/L and 1.0×10-7 mol/L.Use of this method for measurement of UA in urine obtained satisfactory results.
