| abstract |
Oxacycloalkane-alpha-(thio)carboxylic acid derivatives of the formula <IMAGE> wherein R1 and R2 are H or optionally-substituted alkyl; n is 0 or 1; X is O or S and Y is NR4R5 or when X is O then Y is also OH or OR3 in which R3, R4 and R5 is H or an optionally-substituted hydrocarbyl group; and W is an optionally-substituted unsaturated, cycloalkyl, secondary alkyl, aromatic or heterocyclic group, are useful as plant growth regulators, herbicides, intermediates and the like. |