2-(Methylthio)naphtho[1,3-bc]pyran-3(2H)-one

Details 2-(Methylthio)naphtho[1,3-bc]pyran-3(2H)-one 2-(Methylthio)naphtho[1,3-bc]pyran-3(2H)-one

1976-05-27

1977-08-30

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D31102, A61K 3135

Patent

active

040454517

ABSTRACT:
The invention relates to novel compounds having the formulas I and III: ##STR1## wherein, in formula I, X is --O-- or --N--COR wherein R is lower alkyl or aryl, and Z is ##STR2## WHEREIN R' is hydrogen, halogen or alkoxy. the compounds of this invention are prepared by a novel process which involves the cyclization of the corresponding aryl(methylsulfinyl)methyl ketones. The compounds of this invention having formulas I and III are useful in the treatment of hyperacidity and for alleviating allergic manifestations.

REFERENCES:
patent: 3798240 (1974-03-01), Strandtmann et al.

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