6-(2-Hydroxybenzoyl)-5-(pyrrol-2-yl)-3H-pyrrolizine.

The title compound, 2-hydroxyphenyl 5-(pyrrol-2-yl)-3H-pyrrolizin-6-yl ketone, C(18)H(14)N(2)O(2), was isolated from the base-catalyzed 1:2 condensation of 2-hydroxyacetophenone with pyrrole-2-carbaldehyde. The pyrrole N-H and hydroxybenzoyl O-H groups are hydrogen bonded to the benzoyl O atom. The allylic C=C double bond of the 3H-pyrrolizine system is located between ring positions 1 and 2, the C atom at position 3 (adjacent to the N atom) being single bonded.

[5-Bromo-N-(2-carboxylatophenyl)salicylideniminato]dimethyltin(IV).

The structure of the title dimethyltin(IV) complex, [2-(5-bromo-2-oxidobenzylideneamino)benzoato-kappa3O,N,O']dimethyltin(IV), [Sn(CH(3))(2)(C(14)H(8)BrNO(3))], features centrosymmetric dimers disposed about a central Sn(2)O(2) core. Each Sn centre has seven-coordinate pentagonal-bipyramidal geometry, taking into account two moderately long Sn-O contacts about an inversion centre [2.679 (4) and 2.