Of the numerous possible halogen-substituted propyl carbamates only 2 are described in the literature, namely, 0, y-dichloropropyl and PIP'-dichloroisopropyl carbamate. l The latter has come into therapeutic use as a hypnotic2 and appears on the market under the name “Aleudrin.” Homologs of y-chloropropyl carbamate, namely, y-chloro-a-ethylpropyl and y- chloro-a-propylpropyl carbamate have been reported by Puyal and Montagne. 8
