胆甾-4,6-二烯-3beta-基苯甲酸酯合成路线 （共 5 条）
反应条件
in nitrobenzene T=25°C; salts: LiClO4 or Bu4N+Br-or Et4N+ClO4- or Et3PhCH2N+Cl-, presence of triphenylverdazyls (different conc.), other solvents: γ-butyrolactone or o-xylene, other salts: LiBr, KCNS, 1-butylquinolinium iodide, 1-cyclohexylpyridinium chloride, other temp.; KineticsMechanism;
参考文献
Bernstein et al.
Journal of Organic Chemistry, 1949 , vol. 14, p. 433,437, 443
反应条件
2,4,6-trimethyl-pyridine T=140°C;
参考文献
Redel; Gauthier
Bulletin de la Societe Chimique de France, 1948 , p. 607,610
反应条件
1,3-dibromo-5,5-dimethyl-hydantoin 1.) hexane 2.)DMSO, 110 deg C; Yield given. Multistep reaction. Yields of byproduct given;
参考文献
Sharts, C. M.; Malik, A. A.; Easdon, J. C.; Khawli, L. A.; Long, D. M.; et. al.
Journal of Fluorine Chemistry, 1987 , vol. 34, p. 365 - 384
反应条件
in nitrobenzene T=25°C; salts: LiClO4 or Bu4N+Br-or Et4N+ClO4- or Et3PhCH2N+Cl-, presence of triphenylverdazyls (different conc.), other solvents: γ-butyrolactone or o-xylene, other salts: LiBr, KCNS, 1-butylquinolinium iodide, 1-cyclohexylpyridinium chloride, other temp.; KineticsMechanism;
参考文献
Ponomarev, N. E.; Dvorko, G. F.
J. Gen. Chem. USSR (Engl. Transl.), 1991 , vol. 61, # 22 p. 428 - 441,388 - 400
参考文献
Schmutz; Schaltegger; Sanz
Helvetica Chimica Acta, 1951 , vol. 34, p. 1111,1122
