ansa

n.

柄，如柄状部分，环脊（从地球看到的土星光环的两端）；

Synthesis of ansamycins: the ansa chain of rifamycin S
Group 4 ansa-Cyclopentadienyl-Amido Catalysts for Olefin Polymerization.
ChemInform Abstract: SYNTHESIS OF ANSAMYCINS: THE ANSA CHAIN OF RIFAMYCIN S
ChemInform Abstract: Group 4 ansa-Cyclopentadienyl-Amido Catalysts for Olefin Polymerization
ansa-Zirconocene Polymerization Catalysts with Anelated Ring Ligands - Effects on Catalytic Activity and Polymer Chain Length
ansa -Metallocene Derivatives : IV. Synthesis and molecular structures of chiral ansa -titanocene derivatives with bridged tetrahydr...
ansa -Metallocene derivatives ☆ : VII. Synthesis and crystal structure of a chiral ansa -zirconocene derivative with ethylene-bridg...
Polymerization of propylene using supported, chiral, ansa-metallocene catalysts: production of polypropylene with narrow molecular w...
ChemInform Abstract: A STEREOSELECTIVE SYNTHESIS OF 1,3-DIOL DERIVATIVES AND APPLICATION TO THE ANSA BRIDGE OF RIFAMYCIN S
Homogeneous Ziegler-Natta catalysts. 17. Crystalline-amorphous block polypropylene and nonsymmetric ansa-metallocene catalyzed polym...