Polyalkylhydroxychromene and process for preparing the same

Details Polyalkylhydroxychromene and process for preparing the same Polyalkylhydroxychromene and process for preparing the same

1980-06-27

1982-04-06

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

71 88, C07D31170, C07D31104

Patent

active

043235050

ABSTRACT:
A compound of the formula (I) ##STR1## wherein R.sup.1 and R.sup.5 each represents an alkyl group having 1 to 3 carbon atoms; R.sup.2, R.sup.3 and R.sup.4 each represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms and wherein the bonding at the 2-3 position is a single bond and that at the 3-4 position is a double when the substitution of hydroxy group is at the 5-position or the bonding at the 2-3 position is a double bond and that at the 3-4 position is a single bond when the substitution of hydroxy group is at the 7-position; with the proviso that R.sup.2 and R.sup.4 should not be a hydrogen atom or an alkyl group simultaneously and process for preparing same are disclosed. The compound is useful as a herbicide and fungicide and as an intermediate for preparing agricultural chemicals, etc.

REFERENCES:
Bergel et al., Chem. Abstract, 33, 586.sup.2 (1939).

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