74 W. Urban: Butyl-Thioharnstoffe und -Harnstoffe. 



Propyl-d-Butyl-ThioharH Stoff. 



Alkoholische Vs Norm.-Lösung, 1 =- 4, o = + 2,03o, [a]D = + 22,296», 

 [M]d = + 40,60. 



Chloroform Vg Norm.-Lösung, 1 = 4, = 4-2,070, [a]D = + 23,7550, 

 [M]d = + 41,40. 



Norm.-d-Dibutyl-Thioharnstoff. 



Alkoholische Vg Norm.-Lösung, 1 = 2, o = +0,920, [«Jd = + 19,54», 

 [M]d = + 36,80. 



Chloroform Vg Norm.-Lösung, 1 = 2, a = -j-0,92o, [a]D = -f 19,54«, 

 [M]d = + 36,80. 



Dimethyl-d-Butyl-Thioharn Stoff. 

 Alkoholische Vg Norm.-Lösung, 1 = 4, « = +5,40, [a]D = -f 67,39», 

 [M]d = + 108,00. 



Chloroform Vg Norm.-Lösung, 1 = 4, = 4- 3,63o, [o]d = + 45,3o, 

 [M]d = + 72,60. 



Diäthyl-d-Butyl-Thioharnstoff. 

 Alkoholische '/g Norm.-Lösung, 1 = 4, o = + 3,3o, [o]d = + 35,05», 

 [M]D = -f 66,00. 



Chloroform Vg Norm.-Lösung, 1 = 4, o = -f2,59o, [o]d = + 27,510, 

 [M]d = + 51,80. 



Isopropyl-d-Butyl-Thioharnstoff. 

 Alkoholische Vg Norm.-Lösung, 1 = 4, a = 4- 1,840, [«]d = + 21,120, 

 [M]d = 4- 36,80. 



Chloroform Vg Norm.-Lösung, 1 = 4, a = 4-1,730, [o]d = -f 19,85», 

 [M]d = 4-34,60. 



d.d.Dibutyl-Thioharnstoff.j| 



Alkoholische Vs Norm.-Lösung, 1 = 2, et = 4- 1,84», [oJd = +39,090, 

 [M]D = -f- 73,60. 



Chloroform Vg Norm.-Lösung, 1 = 2, = 4-1,73», [oJd = + 36,75 0, 

 [M]d = + 69,20. 



r.d. Dibutyl-Thioharnstoff. 



Alkoholische % Norm.-Lösung, 1 = 2, « = -f 0,78 0, [a]D = + 16,57», 

 [M]d = 4-31,20. 



Chloroform % Norm.-Lösung, 1 = 2, o = -f-0,820, [o]d = 4-17,240, 

 [M]d = -I- 32,80. 



Isobutyl-d-Butyl-Thi'oharnstoff. 



AlkohoUsche Vg Norm.-Lösung, 1 = 2, a = -fO,92o, [oJd = 4- 19,540, 

 [M]d = 4-36,80. 



Chloroform Vg Norm.-Lösung, 1 = 2, « = 4-1,09», [oJd = -|- 22,11 », 

 [M]d = 4-43,60. 



Tertiär. Butyl-d-Butyl-Thioharnstoff. 



Alkoholische % Norm.-Lösung, 1 = 2, a = 4- 0,720, [a]D = -f- 15,40, 

 [M]d=4-28,80. 



Chloroform Vg Norm.-Lösung, 1 = 2, a = + 0,890, [o]d = 4- 18,9», 

 [MJd = 4- 35,60. 



