Synthesis 



Wolfram, A., Schornig, L., and Hausdorfer, E. (1934), U.S. 



Patent, No. 1,951,686. 

 Zimmerman, P. W. (1936), communication in Manske and 



Leitch's (1936) paper. 

 *Zimmerman, P. W., and Hitchcock, A. E. (1935), Contrib. 



Boyce Thompson Institute, 7, 439. 

 Zimmerman, P. W., and Hitchcock, A. E. (1937), ihid., 8, 



337- 

 Zimmerman, P. W., and Wilcoxon, F. (1935) ibid., 7, 209. 

 ♦Zimmerman, P. W., Hitchcock, A. E., and Wilcoxon, F. 



(1936), ibid., 8, 105. 



Some plant tests with the acid and its salts, together with a 

 method of preparation of [3-naphthoxy-acetic acid, are 

 described by S. C. Bausor, "A new growth-substance", Amer. 

 Journ. Bot.y 1939, 26, 415. 



The following is given for the sake of completeness, 

 though it does not involve any preparation that is at present 

 practical : 



Fulton, J. D., and Robinson, R. (1939), Derivatives of 

 P-naphthaldehyde. Journ. Chetn. Soc. 200. 



119 



