1: thiophene With n-butyllithium in tetrahydrofuran; hexane T=-78°C; 0.833333 h; 2: n-bromopentane in tetrahydrofuran; hexane T=-78 - 20°C; Further stages.;
Profft
Chemiker-Zeitung, Chemische Apparatur, 1958 , vol. 82, p. 295,297
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Buu-Hoi et al.
Journal of the Chemical Society, 1955 , p. 1581,1583
Errata, 1957