High yield process for preparing 3,3',5,5'-tetraalkyl-4,4'-biphe

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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C07C 3915

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active

044879776

ABSTRACT:
3,3',5,5'-tetraalkyl-4,4'-biphenols are prepared in high yields under relatively mild conditions by the hydrogenation of tetra-substituted diphenoquinones in alkyl benzene solvent solution.

REFERENCES:
patent: 2792427 (1957-05-01), Houtson et al.
patent: 3306875 (1967-02-01), Hay
patent: 3562338 (1971-02-01), Zaweski
patent: 3631208 (1971-12-01), Hay
patent: 3748303 (1973-07-01), Becker
patent: 4100205 (1978-07-01), Rutledge
patent: 4101561 (1978-07-01), Rutledge
patent: 4108908 (1978-08-01), Rutledge
patent: 4132722 (1979-01-01), Rutledge
patent: 4139544 (1979-02-01), Rutledge
patent: 4195189 (1979-02-01), Earley
patent: 4205187 (1980-05-01), Gardenas et al.
patent: 4354047 (1982-10-01), Strom
patent: 4354048 (1982-10-01), Strom
patent: 4414422 (1983-11-01), Ash et al.
M. Tashiro, "Selective Synthesis of Aromatic Cmpds. Using Positional Protective Groups," Synthesis (1949) pp. 921-924.

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