Collect. Czech. Chem. Commun.
     2007, 72, 1319-1330
  https://doi.org/10.1135/cccc20071319
  
Methyl Steroids. Studies on the Synthesis of 4-Methyl- and 4,4-Dimethyl-25-hydroxycholestan-3-one Derivatives
Iwona Skiera and Zdzisław Paryzek*
Faculty of Chemistry, A. Mickiewicz University, 60-780 Poznań, Poland
References
1.  G.-D., Okamura W. H.: Chem. Rev. 1995, 95, 1877.
<https://doi.org/10.1021/cr00038a007>
2.  J. A., Lincoln F. H., Jackson R. W., Schneider W. P.: J. Am. Chem. Soc. 1955, 77, 6401.
<https://doi.org/10.1021/ja01628a117>
3.  Y., Li Y.: J. Org. Chem. 2003, 68, 1603; and references therein.
<https://doi.org/10.1021/jo020290x>
4.  D., Petrow V.: J. Chem. Soc. 1962, 1223.
<https://doi.org/10.1039/jr9620001223>
5.  W. J., Patel D. K., Petrow V., Stuart-Webb I. A., Sturgeon B.: J. Chem. Soc. 1956, 4490.
<https://doi.org/10.1039/jr9560004490>
6.  P., Fache-Dany F., Trifilieff S., Trendel J. M., Albrecht P.: Tetrahedron 1994, 50, 12633.
<https://doi.org/10.1016/S0040-4020(01)89396-0>
7.  D. J., Djerassi C.: Tetrahedron Lett. 1977, 18, 683.
<https://doi.org/10.1016/S0040-4039(01)92726-1>
8.  T., Ikeda K., Chiba T.: Chem. Pharm. Bull. 1982, 30, 2780.
<https://doi.org/10.1248/cpb.30.2780>
9.  K., Osske G.: Tetrahedron 1964, 20, 2575.
<https://doi.org/10.1016/S0040-4020(01)90835-X>
10.  M., Iwasaki Y., Shimazaki M., Amano Y., Yamamoto K., Reischl W., Yamada S.: Bioorg. Med. Chem. Lett. 2005, 15, 1451.
<https://doi.org/10.1016/j.bmcl.2004.12.090>
11.  E., Friedman N., Mazur Y., Sheves M.: J. Am. Chem. Soc. 1978, 100, 5626.
<https://doi.org/10.1021/ja00486a008>
12.  A. M., Mascarenas J. L., Castedo L., Mouriño A.: J. Org. Chem. 1997, 62, 6353.
<https://doi.org/10.1021/jo970605m>
13.  G., Ellis B., Petrow V.: J. Chem. Soc. 1955, 2998.
<https://doi.org/10.1039/jr9550002998>
14.  J., Kutner A.: Polish J. Chem. 1997, 71, 1321.
15a.  J., Whitehurst J. S.: J. Chem. Soc. C 1971, 378.
<https://doi.org/10.1039/j39710000378>
15b.  W., Littmann W., Radüchel B.: Chem. Ber. 1977, 110, 1523.
<https://doi.org/10.1002/cber.19771100435>
16a.  Y., Sondheimer F.: J. Am. Chem. Soc. 1958, 80, 5220.
<https://doi.org/10.1021/ja01552a051>
16b.  Y., Sondheimer F.: J. Am. Chem. Soc. 1958, 6296.
<https://doi.org/10.1021/ja01556a033>
16c.  N. W.: J. Am. Chem. Soc. 1960, 82, 2847.
<https://doi.org/10.1021/ja01496a044>
17.  H.-R., Lüthy C., Graf W.: Helv. Chim. Acta 1974, 57, 1044.
<https://doi.org/10.1002/hlca.19740570411>
18.  G., Fetizon M., Tayeb N.: Tetrahedron 1987, 43, 4147.
<https://doi.org/10.1016/S0040-4020(01)83455-4>
19.  E. J., Holick M. F., Schnoes H. K., DeLuca H. F.: Tetrahedron Lett. 1972, 13, 4147.
<https://doi.org/10.1016/S0040-4039(01)94260-1>
20.  Y., Halperin G.: J. Org. Chem. 1974, 39, 3047.
<https://doi.org/10.1021/jo00934a025>
21.  K., Matsunaga I., Shindo M., Kaneko C.: Chem. Pharm. Bull. 1979, 27, 252.
<https://doi.org/10.1248/cpb.27.252>
22.  S., Kanematsu Y., Fujiwara T.: Biochem. J. 1969, 115, 249.
<https://doi.org/10.1042/bj1150249>
23.  R. P., Curry K. W., Deno N. C., Meyer M. D.: J. Org. Chem. 1980, 45, 4385.
<https://doi.org/10.1021/jo01310a024>
24.  R., Markus A., Goldschmidt Z.: J. Chem. Soc., Perkin Trans. 1 1972, 2423.
<https://doi.org/10.1039/p19720002423>
25.  M., Rubio-Lightbourn J., Ikekawa N., Takeshita T.: Chem. Pharm. Bull. 1973, 21, 2568.
26a.  J. J., Faber S., Uskoković M. R.: Helv. Chim. Acta 1974, 57, 764.
<https://doi.org/10.1002/hlca.19740570330>
26b.  T. A., Blount J. F., Iacobelli J. A., Uskoković M. R.: Helv. Chim. Acta 1974, 57, 781.
<https://doi.org/10.1002/hlca.19740570332>
27.  M., Saika A., Bannai K., Sawamura M., Rubio-Lightbourn J., Ikekawa N.: Chem. Pharm. Bull. 1975, 23, 3272.
<https://doi.org/10.1248/cpb.23.3272>
28.  D. H. R., Hesse R. H., Pechet M. M., Rizzardo E.: J. Chem. Soc., Chem. Commun. 1974, 203.
<https://doi.org/10.1039/c39740000203>
29.  J. E., Smith L. L.: J. Org. Chem. 1970, 35, 2627.
<https://doi.org/10.1021/jo00833a031>
30.  K., Paryzek Z.: Synth. Commun. 1994, 24, 3255.
<https://doi.org/10.1080/00397919408010248>
31.  W. K., Swaminathan S., Pinkerton F. D., Gerst N., Schroepfer G. J.: Steroids 1994, 59, 310.
<https://doi.org/10.1016/0039-128X(94)90119-8>
32a.  J., Scheller D., Grossmann G.: Magn. Reson. Chem. 1987, 25, 135.
<https://doi.org/10.1002/mrc.1260250210>
32b.  A., Anthony A.: Synth. Commun. 1996, 26, 225.
<https://doi.org/10.1080/00397919608003608>
32c.  E., Schneider G., Dombi G., Zeigan D.: Magn. Reson. Chem. 1994, 32, 565.
<https://doi.org/10.1002/mrc.1260320917>
32d.  J. W., Stothers J. B.: Org. Magn. Reson. 1977, 9, 439.
<https://doi.org/10.1002/mrc.1270090802>
33.  G., Bovicelli P., Sperandio A.: Tetrahedron 2000, 56, 1733.
<https://doi.org/10.1016/S0040-4020(99)01083-2>


