Novel alkenylphenol derivatives

Details Novel alkenylphenol derivatives Novel alkenylphenol derivatives

1989-02-23

1989-12-12

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526264, 528322, 528323, 546 15, 548409, C08F 2240

Patent

active

048868639

ABSTRACT:
Novel 1,6-diaza[4.4]spirodilactams having a hydroxyaryl substitutent on each spiro ring nitrogen atom and at least one alkenyl group located on an aromatic ring carbon atom which is ortho to the hydroxy of the hydroxyaryl substituents are produced by Claisen Rearrangement of an alkenyl ether of the hydroxyaryl-substituted spirodilactam having one fewer ortho-alkenyl substitueunt. The spirodilactam derivatives are precursors of useful cured products.

REFERENCES:
patent: 4100140 (1978-07-01), Zahir et al.
patent: 4740561 (1988-04-01), Tsujimoto et al.
patent: 4745197 (1988-05-01), Eisenbarth et al.

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