Preparation of 3-(hydroxyphenyl)propionaldehydes and their hydro

Details Preparation of 3-(hydroxyphenyl)propionaldehydes and their hydro Preparation of 3-(hydroxyphenyl)propionaldehydes and their hydro

1993-03-26

1994-04-19

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568426, 568432, 568852, 568862, C07C 4500, C07C 2914

Patent

active

053046854

ABSTRACT:
A process for preparing 3-(hydroxyphenyl)propionaldehydes of the formula I ##STR1## and, where appropriate, for preparing 3-(hydroxyphenyl)propanols of the formula II ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.4 -C.sub.20 -alkylcycloalkyl, C.sub.4 -C.sub.20 -cycloalkylalkyl or C.sub.5 -C.sub.20 -alkylcycloalkylalkyl,

REFERENCES:
patent: 4091225 (1978-05-01), Parker
patent: 4284823 (1981-08-01), Kline
patent: 4317933 (1982-03-01), Parker
patent: 4933473 (1990-06-01), Ninomiya
patent: 5015789 (1991-05-01), Arntz et al.
patent: 5093537 (1992-03-01), Unruth et al.

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