Spectra for:
Fumito Shimoma, Haruhiko Kusaka, Katsuaki Wada, Hidenori Azami, Masafumi Yasunami, Toshio Suzuki, Hisahiro Hagiwara, Masayoshi Ando
Compound 2 7-IODO-4-METHYLTROPOLONE
Compound 3 7-IODO-4-METHYL-2-TOSYLOXY-TROPONE
Compound 4 7-METHYL-2-(TOSYLOXY)-TROPONE
Compound 5 2-keto-6-methyl-cyclohepta[d]furan-3-carboxylic acid ethyl ester
![2-keto-6-methyl-cyclohepta[d]furan-3-carboxylic acid ethyl ester](/api/compound/KMXmEoBbWfn.png?h=300&w=458 "2-keto-6-methyl-cyclohepta[d]furan-3-carboxylic acid ethyl ester")
Compound 6 ETHYL-8-HYDROXY-6-METHYL-2-OXO-2H-CYCLOHEPTA-[B]-FURAN-3-CARBOXYLATE
![ETHYL-8-HYDROXY-6-METHYL-2-OXO-2H-CYCLOHEPTA-[B]-FURAN-3-CARBOXYLATE](/api/compound/J1dxmh3vUPu.png?h=300&w=458 "ETHYL-8-HYDROXY-6-METHYL-2-OXO-2H-CYCLOHEPTA-[B]-FURAN-3-CARBOXYLATE")
Compound 8A (3R,3aS,6R,8S,8aR)-8-hydroxy-2-keto-6-methyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-3-carboxylic acid ethyl ester
![(3R,3aS,6R,8S,8aR)-8-hydroxy-2-keto-6-methyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-3-carboxylic acid ethyl ester](/api/compound/3lafZSoSSWc.png?h=300&w=458 "(3R,3aS,6R,8S,8aR)-8-hydroxy-2-keto-6-methyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-3-carboxylic acid ethyl ester")
Compound 8B (+/-)-(3A-ALPHA,8A-ALPHA)-ETHYL-8-BETA-HYDROXY-6-BETA-METHYL-2-OXOOCTAHYDRO-2H-CYCLOPENTA-[B]-FURAN-3-ALPHA-CARBOXYLATE
![(+/-)-(3A-ALPHA,8A-ALPHA)-ETHYL-8-BETA-HYDROXY-6-BETA-METHYL-2-OXOOCTAHYDRO-2H-CYCLOPENTA-[B]-FURAN-3-ALPHA-CARBOXYLATE](/api/compound/JXeVBiuzsx0.png?h=300&w=458 "(+/-)-(3A-ALPHA,8A-ALPHA)-ETHYL-8-BETA-HYDROXY-6-BETA-METHYL-2-OXOOCTAHYDRO-2H-CYCLOPENTA-[B]-FURAN-3-ALPHA-CARBOXYLATE")
Compound 9A (3R,3aS,6R,8aR)-2,8-diketo-6-methyl-3a,4,5,6,7,8a-hexahydro-3H-cyclohepta[d]furan-3-carboxylic acid ethyl ester
![(3R,3aS,6R,8aR)-2,8-diketo-6-methyl-3a,4,5,6,7,8a-hexahydro-3H-cyclohepta[d]furan-3-carboxylic acid ethyl ester](/api/compound/FcGucuyZf9M.png?h=300&w=458 "(3R,3aS,6R,8aR)-2,8-diketo-6-methyl-3a,4,5,6,7,8a-hexahydro-3H-cyclohepta[d]furan-3-carboxylic acid ethyl ester")
Compound 9B (3R,3aS,6S,8aR)-2,8-diketo-6-methyl-3a,4,5,6,7,8a-hexahydro-3H-cyclohepta[d]furan-3-carboxylic acid ethyl ester
![(3R,3aS,6S,8aR)-2,8-diketo-6-methyl-3a,4,5,6,7,8a-hexahydro-3H-cyclohepta[d]furan-3-carboxylic acid ethyl ester](/api/compound/9UYwfYSsjoW.png?h=300&w=458 "(3R,3aS,6S,8aR)-2,8-diketo-6-methyl-3a,4,5,6,7,8a-hexahydro-3H-cyclohepta[d]furan-3-carboxylic acid ethyl ester")
Compound 11A YPNHSXBOWJTVIS-JEZHCXPESA-N
Compound 11B YPNHSXBOWJTVIS-HGNGGELXSA-N
Compound 12A (3S,3aS,6R,8aS)-3,6-dimethyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-2-one
![(3S,3aS,6R,8aS)-3,6-dimethyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-2-one](/api/compound/8lDUFuxHc6u.png?h=300&w=458 "(3S,3aS,6R,8aS)-3,6-dimethyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-2-one")
Compound 12B (3R,3aS,6R,8aS)-3,6-dimethyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-2-one
![(3R,3aS,6R,8aS)-3,6-dimethyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-2-one](/api/compound/GWoIhZAkyob.png?h=300&w=458 "(3R,3aS,6R,8aS)-3,6-dimethyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-2-one")
Compound 13A (3S,3aS,6S,8aS)-3,6-dimethyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-2-one
![(3S,3aS,6S,8aS)-3,6-dimethyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-2-one](/api/compound/Lrv5KL7IymX.png?h=300&w=458 "(3S,3aS,6S,8aS)-3,6-dimethyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[d]furan-2-one")
Compound 13B (+/-)-(3A-ALPHA,8A-ALPHA)-3-BETA,6-BETA-DIMETHYLOCTAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-2-ONE
![(+/-)-(3A-ALPHA,8A-ALPHA)-3-BETA,6-BETA-DIMETHYLOCTAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-2-ONE](/api/compound/ANYkj0u1VFo.png?h=300&w=458 "(+/-)-(3A-ALPHA,8A-ALPHA)-3-BETA,6-BETA-DIMETHYLOCTAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-2-ONE")
Compound 15 (+/-)-(3A-ALPHA,8A-ALPHA)-ETHYL-3-ALPHA,6-BETA-DIMETHYL-2-OXO-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-3-BETA-CARBOXYLATE
![(+/-)-(3A-ALPHA,8A-ALPHA)-ETHYL-3-ALPHA,6-BETA-DIMETHYL-2-OXO-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-3-BETA-CARBOXYLATE](/api/compound/Fdt8N98z5w8.png?h=300&w=458 "(+/-)-(3A-ALPHA,8A-ALPHA)-ETHYL-3-ALPHA,6-BETA-DIMETHYL-2-OXO-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-3-BETA-CARBOXYLATE")
Compound 16 (+/-)-(3A-ALPHA,8A-ALPHA)-3-ALPHA,6-BETA-DIMETHYL-2-OXO-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-3-BETA-CARBOXYLIC-ACID
![(+/-)-(3A-ALPHA,8A-ALPHA)-3-ALPHA,6-BETA-DIMETHYL-2-OXO-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-3-BETA-CARBOXYLIC-ACID](/api/compound/2LPwlSgGeeI.png?h=300&w=458 "(+/-)-(3A-ALPHA,8A-ALPHA)-3-ALPHA,6-BETA-DIMETHYL-2-OXO-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-3-BETA-CARBOXYLIC-ACID")
Compound 17A (+/-)-(3A-ALPHA,8A-ALPHA)-3-ALPHA,6-BETA-DIMETHYL-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-2-ONE
![(+/-)-(3A-ALPHA,8A-ALPHA)-3-ALPHA,6-BETA-DIMETHYL-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-2-ONE](/api/compound/9k3gMts4g30.png?h=300&w=458 "(+/-)-(3A-ALPHA,8A-ALPHA)-3-ALPHA,6-BETA-DIMETHYL-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-2-ONE")
Compound 17B (+/-)-(3A-ALPHA,8A-ALPHA)-3-BETA,6-BETA-DIMETHYL-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-2-ONE
![(+/-)-(3A-ALPHA,8A-ALPHA)-3-BETA,6-BETA-DIMETHYL-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-2-ONE](/api/compound/LDZmxEg2eCZ.png?h=300&w=458 "(+/-)-(3A-ALPHA,8A-ALPHA)-3-BETA,6-BETA-DIMETHYL-3,3A,4,5,6,8A-HEXAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-2-ONE")
Compound 22 (+/-)-7-BETA-(2-HYDROXY-1-ALPHA-METHYLETHYL)-4-BETA-METHYL-2-CYCLOHEPTEN-1-BETA-OL
Compound 23 acetic acid [(1S,4S,7S)-7-[(1S)-2-acetoxy-1-methyl-ethyl]-4-methyl-1-cyclohept-2-enyl] ester
![acetic acid [(1S,4S,7S)-7-[(1S)-2-acetoxy-1-methyl-ethyl]-4-methyl-1-cyclohept-2-enyl] ester](/api/compound/LjwmjtChXV1.png?h=300&w=458 "acetic acid [(1S,4S,7S)-7-[(1S)-2-acetoxy-1-methyl-ethyl]-4-methyl-1-cyclohept-2-enyl] ester")
Compound 24 (+/-)-7-BETA-(2-ACETOXY-1-ALPHA-METHYLETHYL)-4-BETA-METHYL-2-CYCLOHEPTEN-1-BETA-OL
Compound 25 (+/-)-7-BETA-(2-ACETOXY-1-ALPHA-METHYLETHYL)-4-BETA-METHYL-2-CYCLOHEPTEN-1-ONE
Compound 26 tert-butyl-[[(1S,4S,7S)-7-[(2S)-1-(tert-butyl-dimethylsilyl)oxypropan-2-yl]-4-methyl-1-cyclohept-2-enyl]oxy]-dimethylsilane
![tert-butyl-[[(1S,4S,7S)-7-[(2S)-1-(tert-butyl-dimethylsilyl)oxypropan-2-yl]-4-methyl-1-cyclohept-2-enyl]oxy]-dimethylsilane](/api/compound/3oh0BqekD19.png?h=300&w=458 "tert-butyl-[[(1S,4S,7S)-7-[(2S)-1-(tert-butyl-dimethylsilyl)oxypropan-2-yl]-4-methyl-1-cyclohept-2-enyl]oxy]-dimethylsilane")
Compound 27 (+/-)-7-BETA-[2-[(TERT.-BUTYLDIMETHYLSILYL)-OXY]-1-ALPHA-METHYLETHYL]-4-BETA-METHYL-2-CYCLOHEPTEN-1-BETA-OL
![(+/-)-7-BETA-[2-[(TERT.-BUTYLDIMETHYLSILYL)-OXY]-1-ALPHA-METHYLETHYL]-4-BETA-METHYL-2-CYCLOHEPTEN-1-BETA-OL](/api/compound/LksdFWVuorA.png?h=300&w=458 "(+/-)-7-BETA-[2-[(TERT.-BUTYLDIMETHYLSILYL)-OXY]-1-ALPHA-METHYLETHYL]-4-BETA-METHYL-2-CYCLOHEPTEN-1-BETA-OL")
Compound 28 (+/-)-7-BETA-[2-[(TERT.-BUTYLDIMETHYLSILYL)-OXY]-1-ALPHA-METHYLETHYL]-4-BETA-METHYL-2-CYCLOHEPTEN-1-ONE
![(+/-)-7-BETA-[2-[(TERT.-BUTYLDIMETHYLSILYL)-OXY]-1-ALPHA-METHYLETHYL]-4-BETA-METHYL-2-CYCLOHEPTEN-1-ONE](/api/compound/2A0EkjoIJwt.png?h=300&w=458 "(+/-)-7-BETA-[2-[(TERT.-BUTYLDIMETHYLSILYL)-OXY]-1-ALPHA-METHYLETHYL]-4-BETA-METHYL-2-CYCLOHEPTEN-1-ONE")
#14;(+/-)-(3A-ALPHA,8A-ALPHA)-ETHYL-8-BETA-[(METHYLTHIO)-(THIOCARBONYL)-OXY]-3-ALPHA,6-BETA-DIMETHYL-2-OXOOCTAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-3-BETA-CARBOXYLAT
![#14;(+/-)-(3A-ALPHA,8A-ALPHA)-ETHYL-8-BETA-[(METHYLTHIO)-(THIOCARBONYL)-OXY]-3-ALPHA,6-BETA-DIMETHYL-2-OXOOCTAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-3-BETA-CARBOXYLAT](/api/compound/8jboHm1ZAW5.png?h=300&w=458 "#14;(+/-)-(3A-ALPHA,8A-ALPHA)-ETHYL-8-BETA-[(METHYLTHIO)-(THIOCARBONYL)-OXY]-3-ALPHA,6-BETA-DIMETHYL-2-OXOOCTAHYDRO-2H-CYCLOHEPTA-[B]-FURAN-3-BETA-CARBOXYLAT")
Citation
| Citation | J.ORG.CHEM.,63,920(1998) |
|---|---|
| Journal | The Journal of Organic Chemistry |
| Issue | 4 |
| Volume | 63 |
| Page(s) | 920-929 |
| Year | 1998 |
| Author(s) | Fumito Shimoma, Haruhiko Kusaka, Katsuaki Wada, Hidenori Azami, Masafumi Yasunami, Toshio Suzuki, Hisahiro Hagiwara, Masayoshi Ando |
| Publisher | American Chemical Society (ACS) |
| DOI | 10.1021/jo971529q |