@article{articlea8bf9d48, title = {Synthesis of substituted 'GAMA'- butyrolactones: 'BETA'-hydroxymethyl-, 'BETA'-methylene and cyclopropane derivatives}, author = {Donate, Paulo Marcos and Constantino, MaurĂ­cio Gomes and Silva, Rosangela da and Pedersoli, Susimaire}, year = {1999}, journal = {Synthetic Communications} }