Two peptide analogs H-Tyr-Thr-Pro-Arg-Lys-OH (1) and H-Tyr-Thr-Pro-Phe-Lys-OH (2) were prepared successfully by the technique of simultaneous multiple peptides
Hickman’s fast nonadiabatic collision modelfor the ion-pair formation reaction A+BC→A<sup>+</sup>+BC<sup>-</sup>was improved,where the classical trajectory ha
Two binuclear copper(I) complexes with novel structures and novel bonding,Cu<sub>2</sub>(Ph<sub>2</sub>PCH<sub>2</sub>PPh<sub>2</sub>)Cl<sub>2</sub> (Ph<sub>2</sub>P
First total synthesis of natural styryl-furone,(+)-7-epi-goniofufurone 1,from D-glycero-D-gulo-heptono-γ-lactone in eight steps(13%overall)is described.The abs
Synthetic studies on 4-demethyl-qinghaosu involving preparation of key intermediateolefin 5 and its photooxygenation were described. Experiment showed that rear