1605. Cacotheline
Nomenclature
CAS number: 561-20-6
2,3-Dihydro-4-nitro-2,3-dioxo-9,10-secostrychnidin-10-oic acid. C21H21N3O7; mol wt 427.41.
C 59.01%, H 4.95%, N 9.83%, O 26.20%.
Description and references
A nitro derivative of brucine made by treating brucine with 10% nitric acid at 60-70°: Leuchs et al., Ber. 43, 1042 (1910). Structure: Teuber, ibid. 86, 232 (1953). Used as reversible redox indicator for Sn+2 titrations: P. Szarvas, J. Lantos, Talanta 10, 477 (1963).
