List of works - Vladimir A Khripach

1,4-Chirality transfer via the ester enolate Claisen rearrangements in the preparation of (25R)- and (25S)-cholestenoic acids

scientific article published on 09 April 2013

2,3-Epoxybrassinosteroids are intermediates in the biosynthesis of castasterone in seedlings of Secale cereale

scientific article published in January 2005

24-Epibrassinolide alleviates the toxic effects of NaCl on photosynthetic processes in potato plants

scientific article published on 14 January 2020

A new ELISA for quantification of brassinosteroids in plants

scientific article published on 06 September 2014

A new approach to the side chain formation of 24-alkyl-22-hydroxy steroids: application to the preparation of early brassinolide biosynthetic precursors.

scientific article published on 2 April 2012

A new synthesis of brassinosteroids with a cholestane framework based on a highly functionalized starting material.

scientific article published on 3 September 2014

A new type of steroids with a cyclobutane fragment in the AB-ring moiety

scientific article published on 23 March 2006

A photochemical approach to 18-nor-17β-hydroxymethyl-17α-methylandrost-13-ene steroids

scientific article published on 28 April 2020

A window into the current state of isoprenoid research.

scientific article published on 22 July 2014

An improved synthesis of [26-(2)H3]castasterone

scientific article published on 02 November 2015

Biological Evaluation of a New Brassinosteroid: Antiproliferative Effects and Targeting Estrogen Receptor α Pathways

scientific article published on 03 September 2019

Biosynthesis of 2,3-epoxybrassinosteroids in seedlings of Secale cereale

scientific article published in August 2003

Brassinosteroid-BODIPY conjugates: Design, synthesis, and properties

scientific article published on 22 July 2015

Brassinosteroids application induces phosphatidic acid production and modify antioxidant enzymes activity in tobacco in calcium-dependent manner

scientific article published on 08 July 2019

C-H Acetoxylation-Based Chemical Synthesis of 17 β-Hydroxymethyl-17 α-methyl-18-norandrost-13-ene Steroids

scientific article

Cytokinin oxidase is involved in the regulation of cytokinin content by 24-epibrassinolide in wheat seedlings

scientific article published on 15 March 2012

Design and studies of novel polyoxysterol-based porphyrin conjugates

scientific article

Diels-Alder reaction of androsta-14,16-dien-17-yl acetates with nitroethylene: product distribution and selected adduct transformations

scientific article

Effect of 24-epibrassinolide on Brassica napus alternative respiratory pathway, guard cells movements and phospholipid signaling under salt stress

scientific article published on 29 November 2016

Enantioselective catalytic approach to the C23-C28 subunit of 24α-methyl steroids

scientific article published on 15 May 2019

Flow-cytometric analysis of reactive oxygen species in cancer cells under treatment with brassinosteroids

scientific article published on 22 June 2016

Growing Importance of Natural Products Research

scientific article published on 18 December 2019

Isolation and structure elucidation of new radical oxidation products of 5-hydroxy steroids

scientific article published on 15 March 2006

Labeled brassinosteroids for biochemical studies.

scientific article published on January 2007

New azole derivatives of [17(20)E]-21-norpregnene: Synthesis and inhibition of prostate carcinoma cell growth

scientific article published on 25 August 2018

Palladium-Catalyzed 2-(Neopentylsulfinyl)aniline Directed C-H Acetoxylation and Alkenylation of the Arylacetamides

Preparation and synthetic application of partially protected brassinosteroids.

scientific article published on 26 September 2009

Preparation of (25R)- and (25S)-26-functionalized steroids as tools for biosynthetic studies of cholic acids

scientific article published on 26 March 2005

Reaction of (13S)-13-iodo-6beta-methoxy-3alpha,5-cyclo-13,14-seco-5alpha-androstane-14,17-dione with hydroxylamine and its application to the synthesis of new 13,14-seco steroids

scientific article published in July 2004

Regio- and stereocontrolled synthesis of novel steroidal isoxazolines: a new route to the formation of selectively modified steroid side chains

scientific article published on 07 May 2013

Regio- and stereoselective C-H functionalization of brassinosteroids

scientific article published on 02 April 2019

Renaissance of isoprenoids research

scientific article published on 02 December 2016

Seed germination, respiratory processes and phosphatidic acid accumulation in Arabidopsis diacylglycerol kinase knockouts - The effect of brassinosteroid, brassinazole and salinity

scientific article published on 11 April 2019

Stereoselective synthesis of 9alpha-hydroxylated ecdysteroids

scientific article published on 11 November 2009

Stereoselective synthesis of α-methyl and α-alkyl ketones from esters and alkenes via cyclopropanol intermediates.

scientific article published on 28 February 2018

Steroid plant hormones: effects outside plant kingdom

scientific article published on 09 September 2014

Synthesis and molecular structure of 14,15-pyrrolidino-and 14,16-ethano derivatives of estrone

scientific article published on 18 January 2008

Synthesis of 13,14-secotestosterone derivatives.

scientific article published in July 2004

Synthesis of 5,10-seco analogs of testosterone

scientific article published on 25 July 2008

Synthesis of 8,14-Secosteroids from (S)-(+)-Carvone

Synthesis of C-5'-alkyl substituted 17-spirofuran 19-norsteroids.

scientific article published in July 2001

Synthesis of [26,27-2H6]brassinosteroids from 23,24-bisnorcholenic acid methyl ester

scientific article published in September 2004

Synthesis of [26-2H(3)]brassinosteroids

scientific article

Synthesis of brassinosteroids with a keto group in the side chain.

scientific article published on 13 June 2015

Synthesis of ergostane-type brassinosteroids with modifications in ring A.

scientific article published on 2 November 2017

Synthesis of fatty acyl derivatives of 24-epibrassinolide

scientific article published on 13 February 2013

Synthesis of hexadeuterated 23-dehydroxybrassinosteroids

scientific article published in December 2002

Synthesis of sulfated brassinosteroids

scientific article published on 17 June 2016

The synthesis of functionalized 13,14-seco-steroids via Grob fragmentation

scientific article published on 01 July 2004

Toxicity of (22R,23R)-22,23-dihydroxystigmastane derivatives to cultured cancer cells.

scientific article

Visible Light-Promoted Catalytic Ring-Opening Isomerization of 1,2-Disubstituted Cyclopropanols to Linear Ketones

[3,3]-Claisen rearrangements in 24alpha-methyl steroid synthesis. Application to campesterol, crinosterol, and Delta25-crinosterol side chain construction

scientific article

List of works by Vladimir A Khripach

1,4-Chirality transfer via the ester enolate Claisen rearrangements in the preparation of (25R)- and (25S)-cholestenoic acids

2,3-Epoxybrassinosteroids are intermediates in the biosynthesis of castasterone in seedlings of Secale cereale

24-Epibrassinolide alleviates the toxic effects of NaCl on photosynthetic processes in potato plants

A new ELISA for quantification of brassinosteroids in plants

A new approach to the side chain formation of 24-alkyl-22-hydroxy steroids: application to the preparation of early brassinolide biosynthetic precursors.

A new synthesis of brassinosteroids with a cholestane framework based on a highly functionalized starting material.

A new type of steroids with a cyclobutane fragment in the AB-ring moiety

A photochemical approach to 18-nor-17β-hydroxymethyl-17α-methylandrost-13-ene steroids

A window into the current state of isoprenoid research.

An improved synthesis of [26-(2)H3]castasterone

Biological Evaluation of a New Brassinosteroid: Antiproliferative Effects and Targeting Estrogen Receptor α Pathways

Biosynthesis of 2,3-epoxybrassinosteroids in seedlings of Secale cereale

Brassinosteroid-BODIPY conjugates: Design, synthesis, and properties

Brassinosteroids application induces phosphatidic acid production and modify antioxidant enzymes activity in tobacco in calcium-dependent manner

C-H Acetoxylation-Based Chemical Synthesis of 17 β-Hydroxymethyl-17 α-methyl-18-norandrost-13-ene Steroids

Cytokinin oxidase is involved in the regulation of cytokinin content by 24-epibrassinolide in wheat seedlings

Design and studies of novel polyoxysterol-based porphyrin conjugates

Diels-Alder reaction of androsta-14,16-dien-17-yl acetates with nitroethylene: product distribution and selected adduct transformations

Effect of 24-epibrassinolide on Brassica napus alternative respiratory pathway, guard cells movements and phospholipid signaling under salt stress

Enantioselective catalytic approach to the C23-C28 subunit of 24α-methyl steroids

Flow-cytometric analysis of reactive oxygen species in cancer cells under treatment with brassinosteroids

Growing Importance of Natural Products Research

Isolation and structure elucidation of new radical oxidation products of 5-hydroxy steroids

Labeled brassinosteroids for biochemical studies.

New azole derivatives of [17(20)E]-21-norpregnene: Synthesis and inhibition of prostate carcinoma cell growth

Palladium-Catalyzed 2-(Neopentylsulfinyl)aniline Directed C-H Acetoxylation and Alkenylation of the Arylacetamides

Preparation and synthetic application of partially protected brassinosteroids.

Preparation of (25R)- and (25S)-26-functionalized steroids as tools for biosynthetic studies of cholic acids

Reaction of (13S)-13-iodo-6beta-methoxy-3alpha,5-cyclo-13,14-seco-5alpha-androstane-14,17-dione with hydroxylamine and its application to the synthesis of new 13,14-seco steroids

Regio- and stereocontrolled synthesis of novel steroidal isoxazolines: a new route to the formation of selectively modified steroid side chains

Regio- and stereoselective C-H functionalization of brassinosteroids

Renaissance of isoprenoids research

Seed germination, respiratory processes and phosphatidic acid accumulation in Arabidopsis diacylglycerol kinase knockouts - The effect of brassinosteroid, brassinazole and salinity

Stereoselective synthesis of 9alpha-hydroxylated ecdysteroids

Stereoselective synthesis of α-methyl and α-alkyl ketones from esters and alkenes via cyclopropanol intermediates.

Steroid plant hormones: effects outside plant kingdom

Synthesis and molecular structure of 14,15-pyrrolidino-and 14,16-ethano derivatives of estrone

Synthesis of 13,14-secotestosterone derivatives.

Synthesis of 5,10-seco analogs of testosterone

Synthesis of 8,14-Secosteroids from (S)-(+)-Carvone

Synthesis of C-5'-alkyl substituted 17-spirofuran 19-norsteroids.

Synthesis of [26,27-2H6]brassinosteroids from 23,24-bisnorcholenic acid methyl ester

Synthesis of [26-2H(3)]brassinosteroids

Synthesis of brassinosteroids with a keto group in the side chain.

Synthesis of ergostane-type brassinosteroids with modifications in ring A.

Synthesis of fatty acyl derivatives of 24-epibrassinolide

Synthesis of hexadeuterated 23-dehydroxybrassinosteroids

Synthesis of sulfated brassinosteroids

The synthesis of functionalized 13,14-seco-steroids via Grob fragmentation

Toxicity of (22R,23R)-22,23-dihydroxystigmastane derivatives to cultured cancer cells.

Visible Light-Promoted Catalytic Ring-Opening Isomerization of 1,2-Disubstituted Cyclopropanols to Linear Ketones

[3,3]-Claisen rearrangements in 24alpha-methyl steroid synthesis. Application to campesterol, crinosterol, and Delta25-crinosterol side chain construction