Crystal Structure of 6-Bromo-1'-ethyl-4-(1-ethyl-3,3-dimethyl-2,3-dimethyl-1H-indolin-2- ylidenemethyl)-3',3'-dimethylspiro[3,4-dihydro-2H-1-benzopyran-2,2'(3'H)- 1H-indoline]

Id2207698
Chemical name6-Bromo-1'-ethyl-4-(1-ethyl-3,3-dimethyl-2,3-dimethyl-1H-indolin-2- ylidenemethyl)-3',3'-dimethylspiro[3,4-dihydro-2H-1-benzopyran-2,2'(3'H)- 1H-indoline]
a (Å)12.4808(15)
b (Å)12.0528(15)
c (Å)20.146(3)
α (°)90.00
β (°)107.031(4)
γ (°)90.00
V (Å3)2897.6(7)
Space groupP 1 21/n 1
Temperature (K)193(2)
Rint0.0568
Publication: Acta Crystallographica Section E (2005) 61, 12 o4085-o4087