522 Wisconsin Academy of Sciences, Arts, and Letters . 
3. Resolution of amino acids by means of alkaloids. E. Fisher and 
students: Ber. 32 II, 2370-2383. Ber. 32 II, 2451. Ber. 32 III, 
3638. Ber. 34 III, 3764. 
4. Prep of 1 brompropionic acid from d alanin and of d brompro- 
pionic from 1 alanin using nitrosyl bromide. E. Fisher and 
Warburg: Ann. 340, 171. E. Fisher and Raske: Ber. 39, 3988- 
3995. 
5. Prep, and properties of alanin ethyl ester. E. Fisher: Ber. 34, 
442. Curtius and Goebel: J. Pr. Ch. [2] 37, 159. 
6 . Prep, of optically active brom- and chlorpropionic esters by the 
action of phosphorus pentabromide or pentachloride resp. on 
opt. active lactic acid and esters. Purdie and Williamson: 
J. L. Ch. Soc. 67, 914. Walden: Ber. 28, 1287. 
7. The hydrolytic splitting of acylated oxy-acids. Julius Rath: 
Centralblatt [1908] I, 717. 
8 . Conversion of propionic into a hydroxypropionic through the 
action of moist silver oxide on alpha chlorpropionic acid. Buff: 
Ann. 140, 156. Wichelhaus: Ann. 143, 1. Friedel & Machuca: 
Comptes Rendus 13, 408. 
9. A complete study of ‘gahrungsmilchsaure’ (dl lactic acid) and 
of fleishmilchsaure (d lactic acid). Wislicenus: Ann. 167, 302. 
10. Cone, the action of ammonia on a chlorpropionic acid. Heintz: 
Ann. 156, p. 25. 
11. Cone, the action of lime-water at 100° on ethylidene chlorpro¬ 
pionic acid (a chlorpropionic acid). Heintz: Ann. 157, 295. 
12. Conv. of natural d alanin into d lactic acid by means of nitrous 
acid. E. Fisher & A. Skita: Zeitschr. fur physiol; Ch. 33, 190 
[1901]. 
13. Resolution of dl lactic using double zinc ammonium salt. Pur¬ 
die: Trans. L. Ch. Soc. [1893] Vol. 63, p. 1143. 
14. Resolution of dl lactic with quinine and prop, of 1 lactic acid. 
Jungfleish: C. R. 140, 719. 
V. Prep, of fatty diazo compounds. 
1. Verkettung von Amidosauren. Curtius: J. Pr. Ch. 70, 59. 
2. Diazoacetic acid. Curtius & Lang: J. Pr. Ch. [2] 38, 401-406. 
J. Pr. Ch. [2] 44, 564 
3. Alpha diazopropionic acid. Curtius & Lang: J. Pr. Ch. [2] 44, 
559. J. Pr. Ch. [2] 38, 487. 
4. Diazosuccinic acid. Curtius & Koch: Ber. 18, 1294. 
5. Diazosuccinamino acid ethyl ester. Curtius & Koch: Ber. 18, 
1298. 
6 . Diazooxyacrylic acid ethyl ester. Curtius & Buchner: Ber. 19, 
850. 5 
