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Jiří Joska

Czechoslovak Academy of Sciences

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Publication

Featured researches published by Jiří Joska.

Tetrahedron Letters | 1987

Solvolytic rearrangements in 3-acetoxy-4β,5β-cyclopropanocholestane-19-p-toluenesulfonates

Jiří Joska; Jan Fajkoš; František Tureček

Abstract Solvolytic displacement of the 3-acetoxy and 19-p-toluenesulfonyloxy groups in the title cyclopropanosteroids leads to products with rearranged bi- and tricyclic AB ring systems and altered configuration at C-3.

Collection of Czechoslovak Chemical Communications | 1979

Simmons-Smith methylenation of the 4,5-double bond in 19-hydroxylated steroids

Jan Fajkoš; Jiří Joska

Collection of Czechoslovak Chemical Communications | 1985

Synthesis of 19-nordeoxycorticosterone 3-(O-carboxymethyl)-oxime

Jan Fajkoš; Jiří Joska

Collection of Czechoslovak Chemical Communications | 1978

19-Norsteroids substituted in position 7

Jan Fajkoš; Jiří Joska

Collection of Czechoslovak Chemical Communications | 1989

Solvolytic rearrangements in 4β,5-cyclopropano-5β-androstane-3β,17β,19-triol 3-acetate 17-benzoate 19- p -toluenesulfonate

Jan Fajkoš; Jiří Joska

Collection of Czechoslovak Chemical Communications | 1982

Synthesis of 19-hydroxylated analogues of androstenedione and testosterone with the cyclopropane ring in 4,5-position

Jiří Joska; Jan Fajkoš

Collection of Czechoslovak Chemical Communications | 1980

Solvolysis of 5,6β-cyclopropano-5β-cholestane-3β,19-diol 3-acetate 19- p -toluenesulphonate

Jan Fajkoš; Jiří Joska; František Tureček

Collection of Czechoslovak Chemical Communications | 1978

19-Hydroxysteroids substituted in position 6

Jiří Joska; Jan Fajkoš

Collection of Czechoslovak Chemical Communications | 1985

Synthesis of 3β,4β-cyclopropano-19-nor-A-homosteroids

Jiří Joska; Jan Fajkoš; Jaroslav Zajíček

Collection of Czechoslovak Chemical Communications | 1982

The solvolyses of 3α and 3β- p -toluenesulphonates of 19-acetoxy-5,6β-cyclopropano-5β-cholestane-3,19-diols

Jan Fajkoš; Jiří Joska

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Jan Fajkoš

Academy of Sciences of the Czech Republic

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Jaroslav Zajíček

Czechoslovak Academy of Sciences

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František Tureček

University of Washington

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Jan Farkaš

Czechoslovak Academy of Sciences

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František Tureček

University of Washington

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