Substituted .alpha.-pyrones and process for their preparation

Details Substituted .alpha.-pyrones and process for their preparation Substituted .alpha.-pyrones and process for their preparation

1989-10-16

1991-04-02

Waddell, Frederick E.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30938

Patent

active

050048147

ABSTRACT:
The invention relates to .alpha.-pyrones of formula I ##STR1## wherein R.sup.1 is chloro or bromo and R.sup.2 is hydrogen, chloro or bromo. The halogen in 4-position can be replaced, for example, by alkoxy, alkylthio or secondary amino. The .alpha.-pyrones are suitable diene components for Diels-Alder reactions.

REFERENCES:
Registry Hanbook No. 41819-58-3 (1973).
Ingold et al., J. Chem. Soc. 121, 1638-48 (1922).
W. A. Boulanger et al., J. Med. Chem. vol. 29 pp. 1159-1163 (1986).
A Roedig et al., Liebigs Ann. Chem. vol. 636 pp. 1-18 (1961).

Affiliated with

Also associated with

Rating

Substituted .alpha.-pyrones and process for their preparation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Substituted .alpha.-pyrones and process for their preparation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Substituted .alpha.-pyrones and process for their preparation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-327513