in tetrahydrofuran byproducts: Co(CO)4(1-); soln. of the Co-complex was gradually warmed from -40°C to room temp. in 2 h under Ar atmosphere; reaction mixt. was analyzed by IR spectroscopy and gas chromy.; GC yield of dimethyl malonate 9.5percent (from the two stages);
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 32, # 3 p. 523 - 525
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 3 p. 582 - 584