.alpha.-Substituted-3-(halomethyl)-4-hydroxybenzeneacetic acids

Details .alpha.-Substituted-3-(halomethyl)-4-hydroxybenzeneacetic acids .alpha.-Substituted-3-(halomethyl)-4-hydroxybenzeneacetic acids

1977-12-08

1981-01-13

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562442, 562439, 562470, 562478, 544 16, 544 26, 2602391, C07C 5954, C07C10172

Patent

active

042448859

ABSTRACT:
.alpha.-Substituted-3-(halomethyl)-4-hydroxybenzeneacetic acids, prepared by the halomethylation of .alpha.-substituted-4-hydroxybenzeneacetic acids are new and useful as starting materials for the preparation of cephalosporin and penicillin derivatives.

REFERENCES:
patent: 2816915 (1957-12-01), Gregory
patent: 2824128 (1958-02-01), Dexter
patent: 4012380 (1977-03-01), Spry
patent: 4013651 (1977-03-01), Spitzer
McDonald et al., Chem. Abst., vol. 77, p. 487, #34153g (1972).
Baker et al., Chem. Abst., vol. 83, p. 510, #58856p (1975).
Crast et al., Chem. Abst., vol. 84, p. 473, #164809p (1978).

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