Spectra for:
Rolf W. Saalfrank, Jiirgen Gundel, Gunther Roomanna, Martin Hanek, Walter Rost, Karl Petersb, Hans Georg Von Schneringb
Compound 24E 6-(1-CYCLOHEXEN-1-YL)-3,3-DIMETHYL-2H-PYRAN-2,4(3H)-DIONE
Compound 26C 7-(2-METHYL-1-PROPENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE
![7-(2-METHYL-1-PROPENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE](/api/compound/L6EJ1DQyl6M.png?h=300&w=458 "7-(2-METHYL-1-PROPENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE")
2,3-DIHYDRO-6-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-ETHENYL)-4H-FURO-[3,2-C]-PYRAN-4-ONE
![2,3-DIHYDRO-6-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-ETHENYL)-4H-FURO-[3,2-C]-PYRAN-4-ONE](/api/compound/IkLr7Wq97pG.png?h=300&w=458 "2,3-DIHYDRO-6-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-ETHENYL)-4H-FURO-[3,2-C]-PYRAN-4-ONE")
2,3-DIHYDRO-6-(4-METHOXYPHENYL)-4H-FURO-[3,2-C]-PYRAN-4-ONE
![2,3-DIHYDRO-6-(4-METHOXYPHENYL)-4H-FURO-[3,2-C]-PYRAN-4-ONE](/api/compound/J9BYMj4q9Fh.png?h=300&w=458 "2,3-DIHYDRO-6-(4-METHOXYPHENYL)-4H-FURO-[3,2-C]-PYRAN-4-ONE")
2,3-DIHYDRO-6-(4-METHYLPHENYL)-4H-FURO-[3,2-C]-PYRAN-4-ONE
![2,3-DIHYDRO-6-(4-METHYLPHENYL)-4H-FURO-[3,2-C]-PYRAN-4-ONE](/api/compound/6agBGqG0DPT.png?h=300&w=458 "2,3-DIHYDRO-6-(4-METHYLPHENYL)-4H-FURO-[3,2-C]-PYRAN-4-ONE")
3,3-DIMETHYL-6-(1-METHYL-2-PYRROLYL)-2H-PYRAN-2,4(3H)-DIONE
3,3-DIMETHYL-6-(2-(2,6,6-TRIMETHYL-1-CYCLOHEXEN-1-YL)-ETHENYL)-2H-PYRAN-2,4(3H)-DIONE
3,3-DIMETHYL-6-(2-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-ETHENYL)-2H-PYRAN-2,4(3H)-DIONE
3,3-DIMETHYL-6-(2-METHYL-1-PROPENYL)-2H-PYRAN-2,4(3H)-DIONE
3,3-DIMETHYL-6-(2-PHENYLETHYL)-2H-PYRAN-2,4(3H)-DIONE
3,3-DIMETHYL-6-(4-METHYLPHENYL)-2H-PYRAN-2,4(3H)-DIONE
3,3-DIMETHYL-6-PENTYL-2H-PYRAN-2,4(3H)-DIONE
3,4-DIHYDRO-3,3-DIMETHYL-2,4-DIOXO-6-PHENYL-2H-PYRAN-5-CARBOXYLIC-ACID,ETHYLESTER
3,4-DIHYDRO-7-(2-METHYL-1-PROPENYL)-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE
![3,4-DIHYDRO-7-(2-METHYL-1-PROPENYL)-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE](/api/compound/Fa4gjCI4Wh1.png?h=300&w=458 "3,4-DIHYDRO-7-(2-METHYL-1-PROPENYL)-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE")
3,4-DIHYDRO-7-(4-METHOXYPHENYL)-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE
![3,4-DIHYDRO-7-(4-METHOXYPHENYL)-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE](/api/compound/AEGHOVLxX2j.png?h=300&w=458 "3,4-DIHYDRO-7-(4-METHOXYPHENYL)-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE")
3,4-DIHYDRO-7-(4-METHYLPHENYL)-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ON
![3,4-DIHYDRO-7-(4-METHYLPHENYL)-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ON](/api/compound/Ltn0amIyv0T.png?h=300&w=458 "3,4-DIHYDRO-7-(4-METHYLPHENYL)-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ON")
3,4-DIHYDRO-7-PENTYL-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE
![3,4-DIHYDRO-7-PENTYL-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE](/api/compound/95ChpjTqIss.png?h=300&w=458 "3,4-DIHYDRO-7-PENTYL-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE")
3,6-DIHYDRO-4-HYDROXY-3,3-DIMETHYL-2,6-DIOXO-2H-PYRAN-5-CARBOXYLIC-ACID,ETHYLESTER
5,9-DIOXO-7-PHENYL-6-OXASPIRO-[3.5]-NON-7-EN-8-CARBOXYLIC-ACID,ETHYLESTER
![5,9-DIOXO-7-PHENYL-6-OXASPIRO-[3.5]-NON-7-EN-8-CARBOXYLIC-ACID,ETHYLESTER](/api/compound/Bz8WbrxljWO.png?h=300&w=458 "5,9-DIOXO-7-PHENYL-6-OXASPIRO-[3.5]-NON-7-EN-8-CARBOXYLIC-ACID,ETHYLESTER")
5-BENZOYL-3,3-DIMETHYL-6-PHENYL-2H-PYRAN-2,4(3H)-DIONE
6-(2-FURYL)-3,3-DIMETHYL-2H-PYRAN-2,4(3H)-DIONE
6-(3-BUTENYL)-3,3-DIMETHYL-2H-PYRAN-2,4(3H)-DIONE
6-(4-METHOXYPHENYL)-3,3-DIMETHYL-2H-PYRAN-2,4(3H)-DIONE
6-BENZYL-3,3-DIMETHYL-2H-PYRAN-2,4(3H)-DIONE
6-CYCLOHEXYL-2,3-DIHYDRO-4H-FURO-[3,2-C]-PYRAN-4-ON
![6-CYCLOHEXYL-2,3-DIHYDRO-4H-FURO-[3,2-C]-PYRAN-4-ON](/api/compound/9rC2izM3sHo.png?h=300&w=458 "6-CYCLOHEXYL-2,3-DIHYDRO-4H-FURO-[3,2-C]-PYRAN-4-ON")
6-CYCLOHEXYL-3,3-DIMETHYL-2H-PYRAN-2,4(3H)-DIONE
6-ETHOXY-4,8-DIOXO-5-OXASPIRO-[2.5]-OCT-6-EN-7-CARBOXYLIC-ACID,ETHYLESTER
![6-ETHOXY-4,8-DIOXO-5-OXASPIRO-[2.5]-OCT-6-EN-7-CARBOXYLIC-ACID,ETHYLESTER](/api/compound/BG1NA8w9Syo.png?h=300&w=458 "6-ETHOXY-4,8-DIOXO-5-OXASPIRO-[2.5]-OCT-6-EN-7-CARBOXYLIC-ACID,ETHYLESTER")
7-(1-CYCLOHEXEN-1-YL)-3,4-DIHYDRO-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE
![7-(1-CYCLOHEXEN-1-YL)-3,4-DIHYDRO-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE](/api/compound/A9OTHgC4yDL.png?h=300&w=458 "7-(1-CYCLOHEXEN-1-YL)-3,4-DIHYDRO-2H,5H-PYRANO-[4,3-B]-PYRAN-5-ONE")
7-(1-CYCLOHEXEN-1-YL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE
![7-(1-CYCLOHEXEN-1-YL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE](/api/compound/EWy11WgrvhC.png?h=300&w=458 "7-(1-CYCLOHEXEN-1-YL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE")
7-(2-(2,6,6-TRIMETHYL-1-CYCLOHEXEN-1-YL)-ETHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE
![7-(2-(2,6,6-TRIMETHYL-1-CYCLOHEXEN-1-YL)-ETHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE](/api/compound/GnLaFpJd2Fl.png?h=300&w=458 "7-(2-(2,6,6-TRIMETHYL-1-CYCLOHEXEN-1-YL)-ETHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE")
7-(2-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-ETHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE
![7-(2-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-ETHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE](/api/compound/sYH7qTidlv.png?h=300&w=458 "7-(2-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-ETHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE")
7-(2-PHENYLETHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE
![7-(2-PHENYLETHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE](/api/compound/Cji3DABBIN9.png?h=300&w=458 "7-(2-PHENYLETHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE")
7-(4-METHYLPHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE
![7-(4-METHYLPHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE](/api/compound/1lpcRoHObqw.png?h=300&w=458 "7-(4-METHYLPHENYL)-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE")
7-BENZOYL-2,3-DIHYDRO-6-PHENYL-4H-FURO-[3,2-C]-PYRAN-4-ON
![7-BENZOYL-2,3-DIHYDRO-6-PHENYL-4H-FURO-[3,2-C]-PYRAN-4-ON](/api/compound/FHA9aRZZtuV.png?h=300&w=458 "7-BENZOYL-2,3-DIHYDRO-6-PHENYL-4H-FURO-[3,2-C]-PYRAN-4-ON")
7-BENZYL-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE
![7-BENZYL-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE](/api/compound/GJHlNyuJd2P.png?h=300&w=458 "7-BENZYL-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE")
7-PENTYL-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE
![7-PENTYL-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE](/api/compound/IpicUdCg1rZ.png?h=300&w=458 "7-PENTYL-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE")
8-(1-METHYL-2-PYRROLYL)-7-OXASPIRO-[4.5]-DEC-8-EN-6,10-DIONE
![8-(1-METHYL-2-PYRROLYL)-7-OXASPIRO-[4.5]-DEC-8-EN-6,10-DIONE](/api/compound/FLglzQwppvu.png?h=300&w=458 "8-(1-METHYL-2-PYRROLYL)-7-OXASPIRO-[4.5]-DEC-8-EN-6,10-DIONE")
8-BENZOYL-7-PHENYL-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE
![8-BENZOYL-7-PHENYL-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE](/api/compound/CdweoOWvX9r.png?h=300&w=458 "8-BENZOYL-7-PHENYL-6-OXASPIRO-[3.5]-NON-7-EN-5,9-DIONE")
8-CYCLOHEXYL-7-OXASPIRO-[4.5]-DEC-8-EN-6,10-DIONE
![8-CYCLOHEXYL-7-OXASPIRO-[4.5]-DEC-8-EN-6,10-DIONE](/api/compound/7IT34UJCYKr.png?h=300&w=458 "8-CYCLOHEXYL-7-OXASPIRO-[4.5]-DEC-8-EN-6,10-DIONE")
9-BENZOYL-8-PHENYL-7-OXASPIRO-[4.5]-DEC-8-EN-6,10-DIONE
![9-BENZOYL-8-PHENYL-7-OXASPIRO-[4.5]-DEC-8-EN-6,10-DIONE](/api/compound/FPaA4pjPB5x.png?h=300&w=458 "9-BENZOYL-8-PHENYL-7-OXASPIRO-[4.5]-DEC-8-EN-6,10-DIONE")
FICMHOKBMYYQTR-UHFFFAOYSA-N
IQIIUCBXDPQZNK-UHFFFAOYSA-N
Citation
| Citation | CHEM.BER.,123,1175(1990) |
|---|---|
| Journal | Chemische Berichte |
| Issue | 5 |
| Volume | 123 |
| Page(s) | 1175-1183 |
| Year | 1990 |
| Author(s) | Rolf W. Saalfrank, Jiirgen Gundel, Gunther Roomanna, Martin Hanek, Walter Rost, Karl Petersb, Hans Georg Von Schneringb |
| Publisher | Wiley |
| DOI | 10.1002/cber.19901230535 |