Multi-step reaction with 15 steps
1: m-CPBA / CH2Cl2 / 0 °C
2: chlorobenzene / 130 °C
3: 2,6-lutidine / CH2Cl2 / 0 °C
4: Al(CH3)3 / toluene / 20 °C
5: 2,6-di-tert-butyl-4-methylpyridine / CH2Cl2 / 20 °C
6: DIBAL / tetrahydrofuran / -78 °C
8: 1.) Et3N, n-Bu2BOTf / 1.) -70 deg C, 2.) -50 deg C
9: 1.) Al(CH3)3 / 1.) CH2Cl2, 0 deg C, 2.) -10 deg C to 20 deg C
10: 2,6-lutidine / CH2Cl2 / 0 °C
11: 86 percent / DIBAL / tetrahydrofuran / -78 °C
12: 1.) Et3N, n-Bu2BOTf / 1.) -70 deg C, 2.) -50 deg C
13: 84 percent / Zn, CH3COOH / tetrahydrofuran / 20 °C / Irradiation
14: 1.) Al(CH3)3 / 1.) CH2Cl2, 0 deg C, 2.) -10 deg C to 20 deg C
15: 99 percent / 2,6-lutidine / CH2Cl2 / 0 °C
With
2,6-dimethylpyridine; 2,6-di-tert-butyl-4-methylpyridine; di-n-butylboryl trifluoromethanesulfonate; trimethylaluminum; diisobutylaluminium hydride; acetic acid; triethylamine; 3-chloro-benzenecarboperoxoic acid; zinc;
In
tetrahydrofuran; dichloromethane; chlorobenzene; toluene;
DOI:10.1021/ja00164a023