Multi-step reaction with 18 steps
1.1: 96 percent / H2 / Pd/BaSO4 / pyridine / 10 h / 25 °C / 760 Torr
2.1: Zn(CH2I)2*DME / CH2Cl2 / 6 h / -15 - 25 °C
3.1: 96 percent / I2; imidazole; Ph3P / acetonitrile; diethyl ether / 1 h / 0 °C
4.1: Mg / tetrahydrofuran
4.2: 84 percent / Li2CuCl2 / tetrahydrofuran / 0.5 h / 0 °C
5.1: 100 percent / PPTS / methanol / 5 h / 55 °C
6.1: 97 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / 1 h / -78 - 25 °C
7.1: sodium bis(trimethylsilyl)amide / tetrahydrofuran / 0.25 h / 0 °C
7.2: 97 percent / tetrahydrofuran / 0.75 h / 0 °C
8.1: 9-borabicyclo[3.3.1]nonane / tetrahydrofuran / 2 h / 0 - 25 °C
8.2: 84 percent / H2O2; NaHCO3; H2O / tetrahydrofuran / 1.5 h / 25 °C
9.1: 97 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / 1 h / -78 - 25 °C
10.1: NaH / tetrahydrofuran / 0.25 h / 0 °C
10.2: 96 percent / tetrahydrofuran / 0.5 h / -78 °C
11.1: 98 percent / AD-mix β; MeSO2NH2 / 2-methyl-propan-2-ol; H2O / 8 h / 0 °C
12.1: 100 percent / H2 / Lindlar catalyst / ethanol / 0.67 h / 25 °C / 760 Torr
13.1: 84 percent / pyridine / 6.5 h / 0 °C
14.1: 95 percent / NaN3 / dimethylformamide / 36 h / 25 °C
15.1: 100 percent / 2,6-lutidine / CH2Cl2 / -78 - 25 °C
16.1: 92 percent / LiBH4 / tetrahydrofuran / 10 h / 0 °C
17.1: 98 percent / SnCl2; AgOTf; 2,6-di(tert-butyl)-4-methylpyridine / CH2Cl2 / 6.5 h / 0 - 25 °C
18.1: 99 percent / DIBAL / CH2Cl2 / 0.25 h / -78 °C
With
pyridine; 1H-imidazole; 2,6-dimethylpyridine; lithium borohydride; sodium azide; 2,6-di-tert-butyl-4-methylpyridine; oxalyl dichloride; methanesulfonamide; hydrogen; iodine; silver trifluoromethanesulfonate; sodium hexamethyldisilazane; pyridinium p-toluenesulfonate; sodium hydride; diisobutylaluminium hydride; magnesium; dimethyl sulfoxide; 1,4-bis(9-O-dihydroquinidine)phthalazine; triethylamine; 9-bora-bicyclo[3.3.1]nonane; triphenylphosphine; (ICH2)2Zn dimethoxyethane complex; tin(ll) chloride;
Pd-BaSO4; Lindlar's catalyst;
In
tetrahydrofuran; pyridine; methanol; diethyl ether; ethanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile; tert-butyl alcohol;
1.1: Catalytic hydrogenation / 2.1: cyclopropanation / 3.1: Iodination / 4.1: Metallation / 4.2: Grignard reaction / 5.1: ether cleavage / 6.1: Swern oxidation / 7.1: deprotonation / 7.2: Wittig olefination / 8.1: hydroboration / 8.2: Oxidation / 9.1: Swern oxidation / 10.1: Metallation / 10.2: olefination / 11.1: Sharpless asymmetric dihydroxylation / 12.1: Catalytic hydrogenation / 13.1: Esterification / 14.1: Substitution / 15.1: silylation / 16.1: Reduction / 17.1: glycosidation / 18.1: Redu;
DOI:10.1002/1522-2675(20000809)83:8<1977::AID-HLCA1977>3.0.CO;2-D