| abstract |
Summary "Process for Providing a Compound of Formula" The present invention relates to a process for providing a compound of formula (i): wherein hal is a halogen, the process comprising the step of: reacting a compound of formula ( ii); where hal is as defined above, with an alkali metal sulfite of formula x2so3 and an alkali metal hydroxide of formula yoh, where x and y are independently selected from an alkali metal |