Spectra for:
Giovanni Appendino, Giancarlo Cravotto, Lucio Toma, Rita Annunziata, Giovanni Palmisano
Compound 15A (2R,S)-3,4-DIHYDRO-2-PROPYL-2H,5H-PYRANO-[3,2-C]-[1]-BENZOPYRAN-5-ONE
![(2R,S)-3,4-DIHYDRO-2-PROPYL-2H,5H-PYRANO-[3,2-C]-[1]-BENZOPYRAN-5-ONE](/api/compound/EN8FUuF7mr9.png?h=300&w=458 "(2R,S)-3,4-DIHYDRO-2-PROPYL-2H,5H-PYRANO-[3,2-C]-[1]-BENZOPYRAN-5-ONE")
Compound 15B (2R,S)-3,4-DIHYDRO-2-METHYL-2-ETHYL-2H,5H-PYRANO-[3,2-C]-[1]-BENZOPYRAN-5-ONE
![(2R,S)-3,4-DIHYDRO-2-METHYL-2-ETHYL-2H,5H-PYRANO-[3,2-C]-[1]-BENZOPYRAN-5-ONE](/api/compound/HtaGR7fqUoy.png?h=300&w=458 "(2R,S)-3,4-DIHYDRO-2-METHYL-2-ETHYL-2H,5H-PYRANO-[3,2-C]-[1]-BENZOPYRAN-5-ONE")
Compound 16A MESO-7,7A-DIHYDRO-15-PROPYL-6H,8H,9H,15AH-[1]-BENZOPYRANO-[3'',4'':5',6']-PYRANO-[3',2':5,6]-PYRANO-[3,2-C]-[1]-BENZOPYRAN-6,9-DIONE
![MESO-7,7A-DIHYDRO-15-PROPYL-6H,8H,9H,15AH-[1]-BENZOPYRANO-[3'',4'':5',6']-PYRANO-[3',2':5,6]-PYRANO-[3,2-C]-[1]-BENZOPYRAN-6,9-DIONE](/api/compound/JhLlcJd1G93.png?h=300&w=458 "MESO-7,7A-DIHYDRO-15-PROPYL-6H,8H,9H,15AH-[1]-BENZOPYRANO-[3'',4'':5',6']-PYRANO-[3',2':5,6]-PYRANO-[3,2-C]-[1]-BENZOPYRAN-6,9-DIONE")
Compound 18A (7AR,9S,11S,11AS)-10,10,11A-TRIMETHYL-9,11-METHANO-7,7A,8,9,10,11-HEXAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-[1]-BENZOPYRAN-6-ONE
![(7AR,9S,11S,11AS)-10,10,11A-TRIMETHYL-9,11-METHANO-7,7A,8,9,10,11-HEXAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-[1]-BENZOPYRAN-6-ONE](/api/compound/sIhgnkk2Bv.png?h=300&w=458 "(7AR,9S,11S,11AS)-10,10,11A-TRIMETHYL-9,11-METHANO-7,7A,8,9,10,11-HEXAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-[1]-BENZOPYRAN-6-ONE")
Compound 19A (2R,1'S,5'S)-3,4-DIHYDRO-6,6'-DIMETHYLSPIRO-[2H,5H-PYRANO-[3,2-C]-[1]-BENZOPYRAN2,2'-BICYClO-[3.1.1]-HEPTANE]-5-ONE
![(2R,1'S,5'S)-3,4-DIHYDRO-6,6'-DIMETHYLSPIRO-[2H,5H-PYRANO-[3,2-C]-[1]-BENZOPYRAN2,2'-BICYClO-[3.1.1]-HEPTANE]-5-ONE](/api/compound/2Lc6BPbiqVs.png?h=300&w=458 "(2R,1'S,5'S)-3,4-DIHYDRO-6,6'-DIMETHYLSPIRO-[2H,5H-PYRANO-[3,2-C]-[1]-BENZOPYRAN2,2'-BICYClO-[3.1.1]-HEPTANE]-5-ONE")
Compound 19B (1''S,5''S)-3-(2-(6,6-DIMETHYLBICYClO-[3.1.1]-HEPT-2-EN-2-YL)-ETHYL)-4-HYDROXY-2H-1-BENZOPYRAN-2-ONE
![(1''S,5''S)-3-(2-(6,6-DIMETHYLBICYClO-[3.1.1]-HEPT-2-EN-2-YL)-ETHYL)-4-HYDROXY-2H-1-BENZOPYRAN-2-ONE](/api/compound/UGmqHRkuxk.png?h=300&w=458 "(1''S,5''S)-3-(2-(6,6-DIMETHYLBICYClO-[3.1.1]-HEPT-2-EN-2-YL)-ETHYL)-4-HYDROXY-2H-1-BENZOPYRAN-2-ONE")
Compound 27A (7aSR,11aRS)-7,7a,8,9-Tetrahydro-6H,11H-[1]benzopyrano[4,3-b][1]benzopyran-6-one
![(7aSR,11aRS)-7,7a,8,9-Tetrahydro-6H,11H-[1]benzopyrano[4,3-b][1]benzopyran-6-one](/api/compound/Amx2jopC023.png?h=300&w=458 "(7aSR,11aRS)-7,7a,8,9-Tetrahydro-6H,11H-[1]benzopyrano[4,3-b][1]benzopyran-6-one")
Compound 27B (3RS,1'RS,4'RS)-SPIRO-[2H,4H-[1]-BENZOPYRAN-3,2'-BICYClO-[2.2.2]-OCT-5'-ENE]-2,4-DIONE
![(3RS,1'RS,4'RS)-SPIRO-[2H,4H-[1]-BENZOPYRAN-3,2'-BICYClO-[2.2.2]-OCT-5'-ENE]-2,4-DIONE](/api/compound/11P4MkmD1tm.png?h=300&w=458 "(3RS,1'RS,4'RS)-SPIRO-[2H,4H-[1]-BENZOPYRAN-3,2'-BICYClO-[2.2.2]-OCT-5'-ENE]-2,4-DIONE")
Compound 29A (7ASR,11ASR)-7A-METHYL-10-(1-METHYLETHYL)-7,7A,8,9-TETRAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-BENZOPYRAN-6-ONE
![(7ASR,11ASR)-7A-METHYL-10-(1-METHYLETHYL)-7,7A,8,9-TETRAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-BENZOPYRAN-6-ONE](/api/compound/GQmQ9ZDQDFx.png?h=300&w=458 "(7ASR,11ASR)-7A-METHYL-10-(1-METHYLETHYL)-7,7A,8,9-TETRAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-BENZOPYRAN-6-ONE")
Compound 29B (7ASR,11ASR)-10-METHYL-7A-(1-METHYLETHYL)-7,7A,8,9-TETRAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-[1]-BENZOPYRAN-6-ONE
![(7ASR,11ASR)-10-METHYL-7A-(1-METHYLETHYL)-7,7A,8,9-TETRAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-[1]-BENZOPYRAN-6-ONE](/api/compound/LxMVZgtAuM1.png?h=300&w=458 "(7ASR,11ASR)-10-METHYL-7A-(1-METHYLETHYL)-7,7A,8,9-TETRAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-[1]-BENZOPYRAN-6-ONE")
Compound 30A (7AR,9R,11AS)-11A-METHYL-9-(1-METHYLETHYL)-7,7A,8,9-TETRAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-[1]-BENZOPYRAN-6-ONE
![(7AR,9R,11AS)-11A-METHYL-9-(1-METHYLETHYL)-7,7A,8,9-TETRAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-[1]-BENZOPYRAN-6-ONE](/api/compound/AzDAVvJiRPl.png?h=300&w=458 "(7AR,9R,11AS)-11A-METHYL-9-(1-METHYLETHYL)-7,7A,8,9-TETRAHYDRO-6H,11AH-[1]-BENZOPYRANO-[4,3-B]-[1]-BENZOPYRAN-6-ONE")
Compound 30B (3R,1'S,4'R,7'R)-5'-METHYL-7'-(1-METHYLETHYL)-SPIRO-[2H,4H-[1]-BENZOPYRAN-3,2'-BICYClO-[2.2.2]-OCT-5'-ENE]-2,4-DIONE
![(3R,1'S,4'R,7'R)-5'-METHYL-7'-(1-METHYLETHYL)-SPIRO-[2H,4H-[1]-BENZOPYRAN-3,2'-BICYClO-[2.2.2]-OCT-5'-ENE]-2,4-DIONE](/api/compound/1n9aJzbbEeq.png?h=300&w=458 "(3R,1'S,4'R,7'R)-5'-METHYL-7'-(1-METHYLETHYL)-SPIRO-[2H,4H-[1]-BENZOPYRAN-3,2'-BICYClO-[2.2.2]-OCT-5'-ENE]-2,4-DIONE")
Compound 30C (1''RS)-4-HYDROXY-3-[(2-METHYL-5-(1-METHYLETHYL)-2,4-CYClOHEXADIENYL)-METHYL]-2H-[1]-BENZOPYRAN-2-ONE
![(1''RS)-4-HYDROXY-3-[(2-METHYL-5-(1-METHYLETHYL)-2,4-CYClOHEXADIENYL)-METHYL]-2H-[1]-BENZOPYRAN-2-ONE](/api/compound/8Gv7eOy31vp.png?h=300&w=458 "(1''RS)-4-HYDROXY-3-[(2-METHYL-5-(1-METHYLETHYL)-2,4-CYClOHEXADIENYL)-METHYL]-2H-[1]-BENZOPYRAN-2-ONE")
Compound 35B Isoferprenin
#16B;(7ARS,15ASR)-7,7A-DIHYDRO-15A-PROPYL-6H,8H,9H,15AH-[1]-BENZOPYRANO-[3'',2'':5',6']-PYRANO-[3',2':5,6]-PYRANO-[3,2-C]-[1]-BENZOPYRAN-6,9-DIONE
![#16B;(7ARS,15ASR)-7,7A-DIHYDRO-15A-PROPYL-6H,8H,9H,15AH-[1]-BENZOPYRANO-[3'',2'':5',6']-PYRANO-[3',2':5,6]-PYRANO-[3,2-C]-[1]-BENZOPYRAN-6,9-DIONE](/api/compound/2dtD2lgrQ2m.png?h=300&w=458 "#16B;(7ARS,15ASR)-7,7A-DIHYDRO-15A-PROPYL-6H,8H,9H,15AH-[1]-BENZOPYRANO-[3'',2'':5',6']-PYRANO-[3',2':5,6]-PYRANO-[3,2-C]-[1]-BENZOPYRAN-6,9-DIONE")
#26A;(7ASR,11S,14R,16ARS)-7,7A,8,9,11,12,13,14,15,16-DECAHYDRO-13,13,16A-TRIMETHYL-10-METHYLENE-6H,10H,16AH-BICYClO-[7.2.0]-UNDECANO-[5',4':5,6]-PYRANO-[3,2-
![#26A;(7ASR,11S,14R,16ARS)-7,7A,8,9,11,12,13,14,15,16-DECAHYDRO-13,13,16A-TRIMETHYL-10-METHYLENE-6H,10H,16AH-BICYClO-[7.2.0]-UNDECANO-[5',4':5,6]-PYRANO-[3,2-](/api/compound/iput6yh75M.png?h=300&w=458 "#26A;(7ASR,11S,14R,16ARS)-7,7A,8,9,11,12,13,14,15,16-DECAHYDRO-13,13,16A-TRIMETHYL-10-METHYLENE-6H,10H,16AH-BICYClO-[7.2.0]-UNDECANO-[5',4':5,6]-PYRANO-[3,2-")
26B;(6ASR,9R,12S,15ARS)-7,8,9,10,11,12,14,15,15A,16-DECAHYDRO-6AH,13H,17H-BICYClO-[7.2.0]-UNDECANO-[5',4':5,6]-PYRANO-[2,3-B]-BENZOPYRAN-17-ONE;MAJOR-ISOMER
![26B;(6ASR,9R,12S,15ARS)-7,8,9,10,11,12,14,15,15A,16-DECAHYDRO-6AH,13H,17H-BICYClO-[7.2.0]-UNDECANO-[5',4':5,6]-PYRANO-[2,3-B]-BENZOPYRAN-17-ONE;MAJOR-ISOMER](/api/compound/LQyYpTZ1ghR.png?h=300&w=458 "26B;(6ASR,9R,12S,15ARS)-7,8,9,10,11,12,14,15,15A,16-DECAHYDRO-6AH,13H,17H-BICYClO-[7.2.0]-UNDECANO-[5',4':5,6]-PYRANO-[2,3-B]-BENZOPYRAN-17-ONE;MAJOR-ISOMER")
Citation
| Citation | J.ORG.CHEM.,59,5556(1994) |
|---|---|
| Journal | The Journal of Organic Chemistry |
| Issue | 19 |
| Volume | 59 |
| Page(s) | 5556-5564 |
| Year | 1994 |
| Author(s) | Giovanni Appendino, Giancarlo Cravotto, Lucio Toma, Rita Annunziata, Giovanni Palmisano |
| Publisher | American Chemical Society (ACS) |
| DOI | 10.1021/jo00098a013 |