Main > ORGANIC CHEMICALS > Aromatics > BiPhenyl > Derivative > 2,2'-Di-X-5,5'-Di-OMe-Biphenyl

Product USA. A

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 09.99
PATENT ASSIGNEE Allied Signal
PATENT CLAIMS - Halogenating 3,3'-dimethoxybiphenyl with first halogen to
form first 2,2'-di-X-5,5'-dimethoxybiphenyl (I)
- Reacting (I) in presence of an organo-Li reagent with se
cond halogen to form second 2,2'-di-X-5,5'-Di-OMe biphe
nyl
PATENT PHOTOCOPY Available on request

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