Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Aleksander Warm"'
Autor:
Aleksander Warm, Gareth J. Griffiths
Publikováno v:
Organic Process Research & Development. 20:803-813
The rationalization of observations made during optimization of the zinc-mediated enantioselective addition of cyclopropylacetylene (2) to ketoaniline 8 in the presence of (1R,2S)-1-phenyl-2-(pyrrolidin-1-yl)propan-1-ol (3) to afford amino alcohol 11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a7d14b715cb2ad91d993c943b83b246
https://doi.org/10.1021/acs.oprd.6b00058
https://doi.org/10.1021/acs.oprd.6b00058
Publikováno v:
Angewandte Chemie. 123:3014-3018
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52b4b273098ce9c749ec787ce0a6c5e4
https://doi.org/10.1002/ange.201006689
https://doi.org/10.1002/ange.201006689
Publikováno v:
Organic Process Research & Development. 7:272-284
Careful planning and construction of suitable in-process tests and isolation of new impurities observed led to quick, mechanistic-based assessments of problems seen in two steps of Biotin production scale-up and allowed for rapid changes to be made t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b903f676c0cbf27a94302fb7cba12712
https://doi.org/10.1021/op020089o
https://doi.org/10.1021/op020089o
Publikováno v:
Angewandte Chemie (International ed. in English). 50(13)
Asymmetric alkynylide additions to carbonyls have emerged as a useful tool in organic synthesis. Several different stoichiometric and catalytic versions of additions to aldehydes have been documented for the preparation of secondary propargylic alcoh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c6bd65164f73197f217ce7cc62d42d4
https://pubmed.ncbi.nlm.nih.gov/21365723
https://pubmed.ncbi.nlm.nih.gov/21365723
Publikováno v:
ChemInform. 23
Mthyl (E)-4-chloro-3-methoxy-2-butenoate (3a) is inexpensively prepared from methyl 4-chloroacetoacetate using thionyl chloride and methanol on an industrial scale. Many nucleophilic substitution reactions of chloride, which are impossible with the u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f058c8b0d3f6cb06f4eb575d4cdd76a
https://doi.org/10.1002/chin.199233142
https://doi.org/10.1002/chin.199233142
Autor:
Aleksander Warm
Publikováno v:
ChemInform. 24
The title compounds was prepared via a sequence containing as the key step a thiophene ring formation from a 1,4-dicarbonyl intermediate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3325d3795762618b75b49d7f99e95a31
https://doi.org/10.1002/chin.199310219
https://doi.org/10.1002/chin.199310219
Publikováno v:
Synthesis. 1992:391-394
Mthyl (E)-4-chloro-3-methoxy-2-butenoate (3a) is inexpensively prepared from methyl 4-chloroacetoacetate using thionyl chloride and methanol on an industrial scale. Many nucleophilic substitution reactions of chloride, which are impossible with the u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b6f6e0c65e6c395924afa7eb2f3604d
https://doi.org/10.1055/s-1992-26120
https://doi.org/10.1055/s-1992-26120
Autor:
Gérald Bernardinelli, Aleksander Warm
Publikováno v:
The Journal of Organic Chemistry. 59:3540-3542
A revised mechanism for formation of (aryloxy)sulfonyl isocyanates and (sulfonylamino)sulfonyl isocyanates is proposed. New key intermediates, 4-methylphenyl ((4-methylphenoxy)sulfonyl)carbamate (8b) and 1-(methanesulfonyl)-1-methyl-3-((N-(methanesul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f179e3202807f078e35effdd90e0c5ce
https://doi.org/10.1021/jo00092a008
https://doi.org/10.1021/jo00092a008
Publikováno v:
Synfacts. 2011:0585-0585
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5b3956c108dcb2f384f5eabbb3b6928
https://doi.org/10.1055/s-0030-1259888
https://doi.org/10.1055/s-0030-1259888
Autor:
Aleksander Warm
Publikováno v:
HETEROCYCLES. 34:2263
The title compounds was prepared via a sequence containing as the key step a thiophene ring formation from a 1,4-dicarbonyl intermediate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15d64aa91523bd46bbbc089c34799094
https://doi.org/10.3987/com-92-6164
https://doi.org/10.3987/com-92-6164