The natural plant growth hormone, 3-indoleacetic acid'(heteroauxin), and the substituted phenoxyacetic acids' have received much attention as stimulants of plant growth. A search of the literature does not reveal many syntheses of indoleacetic acid derivatives for phytological studies. The indoleacetic acid derivatives containing the types of substitution which have been useful in the phenoxyacetic acid series, are of especial interest. The ...
