1: in tetrahydrofuran T=-10 - 5°C; 2.75 h; 2: With water T=10 - 15°C; 0.5 h;

1: With oxalyl dichloride; dimethyl sulfoxide in dichloromethane T=-60 - -50°C; 0.5 h; 2: 3-(7-Chloroquinol-2-yl-trans-ethenyl)-alpha-methylbenzyl alcohol in dichloromethane T=-60 - -50°C; 0.75 h; 3: With triethylamine in dichloromethane T=-60 - 10°C; 1.16667 h;