prov:value
| - In step b, treatment of (2) with oxalyl chloride, thionyl chloride or other commercially available or suitably known chlorinating agent produces the unisolated diacid chloride, which upon further treatment with the previously described (3) in a suitable solvent such as chloroform, 1,2-dichloroethane, or dichloromethane, and the like, affords, after quenching with an alcohol, a mixture of products.
|