abstract |
Glycolaldehyde and lactic acid derivatives and their sulfur analogs of formula I. in which R¹ to R³ have the meaning given in the description, X represents oxygen, sulfur or a single bond and Y represents an optionally substituted C₂-C₄-alkylene or C₂-C₄-alkylene or C₂-C₄-alkenylene chain, as well as environmentally compatible salts of the compounds I, process for the preparation of the compounds I and their herbicidal use. |