Method of preparing phthalide

Details Method of preparing phthalide Method of preparing phthalide

1978-08-04

1980-07-08

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30788

Patent

active

042117119

ABSTRACT:
A method has been invented for preparing phthalide by catalytic hydrogenation with a Periodic Table, Group VIII catalyst of a phthalide substituted in the 3-position by a hydroxyl, methoxy or acetoxy group.

REFERENCES:
patent: 3065237 (1962-11-01), Bortnick et al.
patent: 4113948 (1978-09-01), Aren
Walter Hartung et al., Organic Reactions 7, 263-275, 1953.
Freifelder, Practical Catalytic Hydrogenation Techniques and Applications, p. 537, John Wiley & Sons, N.Y.
Morrison et al., Journ. of the Chem. Soc. London, 1951, p. 952.

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