A two steps synthesis of γ-substituted and γ,γ-disubstituted α-(alkylmethylene)-γ-butyrolactones

[1] EFFICIENT SYNTHESIS OF "GAMMA-METHYLENE-GAMMA-BUTYROLACTONE (ALPHA-'-ANGELICALACTONE) - APPLICATION TO SYNTHESIS OF DEOXYOBTUSILACTONE AND DEOXYISOOBTUSILACTONE [J]. JOURNAL OF ORGANIC CHEMISTRY, 1978, 43 (04) : 560 - 564

[2] A CONVENIENT 2-STEP PROCEDURE FOR LACTONE ALPHA-METHYLENATION [J]. SYNTHETIC COMMUNICATIONS, 1986, 16 (12) : 1593 - 1598

[3] Amberlyst A-27, an efficient heterogeneous catalyst for the Michael reaction of nitroalkanes with beta-substituted alkene acceptors [J]. JOURNAL OF ORGANIC CHEMISTRY, 1996, 61 (09) : 3209 - 3211

[4] Ballini R, 1996, SYNLETT, P1115

[5] Ballini R, 1998, EUR J ORG CHEM, V1998, P355, DOI 10.1002/(SICI)1099-0690(199802)1998:2<355::AID-EJOC355>3.0.CO

[6] 2-2

[7] MICHAEL ADDITION OF NITROALKANES TO DIMETHYL MALEATE WITH DBU - A NEW DIRECT METHOD FOR THE SYNTHESIS OF POLYFUNCTIONALIZED ALPHA,BETA-UNSATURATED ESTERS [J]. TETRAHEDRON LETTERS, 1994, 35 (49) : 9247 - 9250

[8] HYDROXY-FUNCTIONALIZED CONJUGATED NITROOLEFINS AS IMMEDIATE PRECURSORS OF SPIROKETALS - A NEW SYNTHESIS OF 1,7-DIOXASPIRO[5.5]UNDECANE AND (E)-2-METHYL-1,7-DIOXASPIRO[5.6]DODECANE [J]. JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1992, (23): : 3159 - 3160

[9] BALLINI R, 1993, SYNTHESIS-STUTTGART, P965

[10] The Michael reaction of nitroalkanes with conjugated enones in aqueous media [J]. TETRAHEDRON LETTERS, 1996, 37 (44) : 8027 - 8030

[1] EFFICIENT SYNTHESIS OF "GAMMA-METHYLENE-GAMMA-BUTYROLACTONE (ALPHA-'-ANGELICALACTONE) - APPLICATION TO SYNTHESIS OF DEOXYOBTUSILACTONE AND DEOXYISOOBTUSILACTONE [J]. JOURNAL OF ORGANIC CHEMISTRY, 1978, 43 (04) : 560 - 564

[2] A CONVENIENT 2-STEP PROCEDURE FOR LACTONE ALPHA-METHYLENATION [J]. SYNTHETIC COMMUNICATIONS, 1986, 16 (12) : 1593 - 1598

[3] Amberlyst A-27, an efficient heterogeneous catalyst for the Michael reaction of nitroalkanes with beta-substituted alkene acceptors [J]. JOURNAL OF ORGANIC CHEMISTRY, 1996, 61 (09) : 3209 - 3211

[4] Ballini R, 1996, SYNLETT, P1115

[5] Ballini R, 1998, EUR J ORG CHEM, V1998, P355, DOI 10.1002/(SICI)1099-0690(199802)1998:2<355::AID-EJOC355>3.0.CO

[6] 2-2

[7] MICHAEL ADDITION OF NITROALKANES TO DIMETHYL MALEATE WITH DBU - A NEW DIRECT METHOD FOR THE SYNTHESIS OF POLYFUNCTIONALIZED ALPHA,BETA-UNSATURATED ESTERS [J]. TETRAHEDRON LETTERS, 1994, 35 (49) : 9247 - 9250

[8] HYDROXY-FUNCTIONALIZED CONJUGATED NITROOLEFINS AS IMMEDIATE PRECURSORS OF SPIROKETALS - A NEW SYNTHESIS OF 1,7-DIOXASPIRO[5.5]UNDECANE AND (E)-2-METHYL-1,7-DIOXASPIRO[5.6]DODECANE [J]. JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1992, (23): : 3159 - 3160

[9] BALLINI R, 1993, SYNTHESIS-STUTTGART, P965

[10] The Michael reaction of nitroalkanes with conjugated enones in aqueous media [J]. TETRAHEDRON LETTERS, 1996, 37 (44) : 8027 - 8030