stereochemistry造句怎么写

Structural formulas show bonds (see bonding) between atoms in a molecule as short lines between symbols; they are particularly useful for showing how isomers differ. A projection formula also indicates the three-dimensional arrangement of the atoms (see Fischer projection; stereochemistry).

In this paper some uncoventional reaction of aldehyde and ketone with grignard reagent and the question of stereochemistry in the reaction was stueied chiefly.

The progress of the optical activity and stereochemistry of bile pigments in recent20 years is reviewed.

The relative stereochemistry of the 1, 10-double bond and that of the methoxyl, methyl, and acetoxy groups were determined by NOESY experiments and analyses of the coupling constants.