Zobrazeno 1 - 10
of 39
pro vyhledávání: '"K. K. Pivnitsky"'
Publikováno v:
Russian Chemical Bulletin. 58:1067-1071
A synthesis of the title compound, the synthon for the constanolactones and other eicosanoids, has been developed from achiral starting compounds. The synthesis is based on the S-enantiodirected dihydroxylation of the double bond to introduce a chira
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be71dd27f3a34106c27a4d03a9e5e0f0
https://doi.org/10.1007/s11172-009-0136-x
https://doi.org/10.1007/s11172-009-0136-x
Publikováno v:
Russian Chemical Bulletin. 56:1648-1654
A six-step synthesis of methyl (5Z,8S)-8,9-epoxynon-5-enoate, a known synthon of constanolactones and hepoxilins, from 5-hexynoic ester was developed. The enantiomeric purity of the synthon was attained by S-enantiodirected dihydroxylation of a doubl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01cb5d7c2853a7e3f06e0b23665387b3
https://doi.org/10.1007/s11172-007-0257-z
https://doi.org/10.1007/s11172-007-0257-z
Publikováno v:
Russian Chemical Bulletin. 53:2617-2625
The stereochemistry of SN2 and SN2′ substitutions of the allylic mesyloxy group in mesylates of prostaglandin allylic epimeric 13- and 15-alcohols under the action of various nucleophiles (H2O, MeOH, AcOH, LiBr) was studied. The substitution accomp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a26939905b975cd4968dbd4d4eafd2ba
https://doi.org/10.1007/s11172-005-0163-1
https://doi.org/10.1007/s11172-005-0163-1
Publikováno v:
Russian Chemical Bulletin. 53:703-708
Complexes of secondary amines with borane, R2NH·BH3, surpass sodium borohydride as reducing agents for saturated and unsaturated steroidal 3-, 12-, 17-, and 20-ketones as regards chemo- and regioselectivity and mildness of the reaction conditions. I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e33239585ac36ac5c01a0da4d1b8c428
https://doi.org/10.1023/b:rucb.0000035660.32775.ab
https://doi.org/10.1023/b:rucb.0000035660.32775.ab
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 42:773-779
Methyl (8S)-[20-3H]-8,20-dihydroxy-11,12-epoxy-5Z,9E,14Z-eicosatrienoate ((8S)-[20-3H]-20-hydroxy-HxA3 methyl ester), a radioactive analog of the HxA3 metabolite was prepared. The synthesis of the 20-hydroxy analog of HxA3 methyl ester was performed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d53c2c49e4955c5c7f20e836bed4410
https://doi.org/10.1002/(sici)1099-1344(199908)42:8<773::aid-jlcr237>3.0.co
https://doi.org/10.1002/(sici)1099-1344(199908)42:8<773::aid-jlcr237>3.0.co
Publikováno v:
Problems of Endocrinology. 43:28-31
ATP-dependent channels of pancreatic ft-cells functionally attenuated by streptosotocin and their reaction to hepoxylin HxB3 are analyzed. Highly specific response of the above ionic channels to glucose and HxB3 hepoxylin was observed. Analysis of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40262ceb4f7d5224bc3425c1a64ac1ba
https://doi.org/10.14341/probl199743528-31
https://doi.org/10.14341/probl199743528-31
Preparative synthesis of the Corey chiral controller for enantioselective dihydroxylation of olefins
Autor:
M. A. Lapitskaya, K. K. Pivnitsky
Publikováno v:
Russian Chemical Bulletin. 46:96-100
A five-step synthesis of both enantiomers of 1,2-di(2,4,6-trimethylbenzylamino)-1,2-diphenylethane,i.e., Corey (R,R)- and (S,S)-controllers for enantioselective dihydroxylation of olefins by osmium tetroxide, starting from α,α′-diphenylglyoxime,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b70581ec112cd674c4f4b18aad2f4e6a
https://doi.org/10.1007/bf02495355
https://doi.org/10.1007/bf02495355
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 34:221-230
The selective tritiation of methyl 10(R/S)-hydroxy-11(R),12(S)-epoxyeicosa-5,8,14-triynoate into two C10-epimeric [3H6]-hepoxilins B3 methyl esters is described. These compounds are subsequently converted into two C8-epimeric [3H6]-hepoxilins A3 meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7320c26c5da5a056c2c4cecd7c993ee3
https://doi.org/10.1002/jlcr.2580340304
https://doi.org/10.1002/jlcr.2580340304
Publikováno v:
ChemInform. 41
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b51d5d396961766645b72e4bf3d19168
https://doi.org/10.1002/chin.201041208
https://doi.org/10.1002/chin.201041208
Publikováno v:
ChemInform. 23
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2d7ec6840703d18e6d4e4f261c4e730
https://doi.org/10.1002/chin.199242250
https://doi.org/10.1002/chin.199242250