Atkinson, Robert S.; Grimshire, Michael J.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1986 , p. 1215 - 1224
1: mono-methyl malonate potassium salt With magnesium chloride in tetrahydrofuran T=50°C; 4 h; 2: 4-Pentynoic acid With 1,1'-carbonyldiimidazole in tetrahydrofuran T=5 - 20°C; 1 h;