white to light yellow crystal powde
It is used in preparation of four novel dinuclear half-titanocenes with?meta- and?orthoxylene bridges as new metallocenes. It was used in the synthesis of dissymmetrical bis-macro cyclic salt.
1,3-Bis(bromomethyl)benzene has been used in preparation of four novel dinuclear half-titanocenes with meta - and ortho xylene bridges as new metallocenes 1 . It was used in the synthesis of dissymmetrical bis -macrocyclic salt 2 .
α,α′-Dibromo-m-xylene can cross-link and cyclize peptides containing two cysteine residues.
Crystallise it from acetone or *benzene, and fractionally distil it under vacuum. [Wenner Org Chem 17 527 1952, Beilstein 5 H 374, 5 I 184, 5 II 294, 5 III 839, 5 IV 946.]