Claims
- 1. A compound of the formula ##SPC4##
- wherein R.sub.1 is lower alkyl or phenyl lower-alkyl, R.sub.2 is phenyl, lower-alkoxyphenyl, di-lower-alkoxyphenyl, carboxyphenyl or carboxy-lower-alkylphenyl and R.sub.3 is phenyl or nitrophenyl.
- 2. A compound according to claim 1 wherein R.sub.1 is lower alkyl.
- 3. A compound according to claim 1 wherein R.sub.2 and R.sub.3 are both phenyl.
- 4. The compound of claim 3 which is 2-methoxy-2,4-diphenyl-3(2H)-furanone.
- 5. The compound of claim 3 which is 2-ethoxy-2,4-diphenyl-3(2H)-furanone.
- 6. The compound of claim 3 which is 2-benzyloxy-2,4-diphenyl-3(2H)-furanone.
- 7. The compound of claim 2 which is 2-methoxy-2-phenyl-4(4-nitrophenyl)-3(2H)-furanone.
- 8. The compound of claim 2 which is 2-methoxy-2-phenyl-4-(4-carboxyphenyl)-3(2H)-furanone.
- 9. The compound of claim 2 which is 2-methoxy-2-phenyl-4-[4-(2-carboxyethyl)phenyl]-3(2H)-furanone.
Parent Case Info
This application is a continuation-in-part of prior U.S. patent application Ser. No. 338,019, filed Mar. 5, 1973, now abandoned.
Non-Patent Literature Citations (1)
Entry |
weigele et al., J. Am. Chem. Soc., vol. 94, pp. 5927-5928, (1972). |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
338019 |
Mar 1973 |
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