Zobrazeno 1 - 10
of 419
pro vyhledávání: '"J. Cymerman Craig"'
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 88:1012-1018
A method involving the combined use of ORD and CD is described by which both the relative and absolute configuration of the two asymmetric centres in amino alcohols, containing only the amino and hydroxyl chromophores, may be determined. Application
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::465d6b0a1674cc9a6eafde8b7d9cc480
https://doi.org/10.1002/recl.19690880815
https://doi.org/10.1002/recl.19690880815
Publikováno v:
Chirality. 10:169-172
Circular dichroism (CD) spectra were determined for the bioactive (+)-enantiomers of 1 · HCl, 3 · HCl, and 4 · HBr to characterize the chiroptical properties of these pyrroloisoquinoline antidepressants. The compounds showed a low-intensity negati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a4559b6a7a88aeb2b355a50a41e89a1
https://doi.org/10.1002/chir.26
https://doi.org/10.1002/chir.26
Autor:
J. Cymerman Craig, M. Aslam Ansari
Publikováno v:
Synthetic Communications. 26:1789-1792
An improved protocol for the oxidation of sec. alcohols by copper permanganate is described by carrying out the reaction in a homogeneous medium (acetic acid), affording rapid and complete conversion to the ketones.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bb41f201d6b16e3159726750db49dc3
https://doi.org/10.1080/00397919608002619
https://doi.org/10.1080/00397919608002619
Autor:
M. Aslam Ansari, J. Cymerman Craig
Publikováno v:
Synthetic Communications. 21:1971-1979
The novel reagent tetramethylammonium glycinate has been introduced as the most effective glycine derivative for the convenient synthesis of 4, 5, 6, 7-tetrahydroisoindoles (orpyrroles unsubstituted in the 2 and 5 positions) from 1,3-dicarbonyl compo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1ac3f36563ec3517f5fe15aecaee092
https://doi.org/10.1080/00397919108021790
https://doi.org/10.1080/00397919108021790
Autor:
E. Thomas Everhart, J. Cymerman Craig
Publikováno v:
Synthetic Communications. 20:2147-2150
Polar alcohols obtained from their β-(trimethylsilyl) ethoxymethyl (SEM) ethers by deprotection using the tetra-n-butylammonium fluoride reagent, can be efficiently isolated after quantitative removal of the excess reagent as the insoluble tetra-n-b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0567cb77e72480d9a045f79dcd18631a
https://doi.org/10.1080/00397919008053151
https://doi.org/10.1080/00397919008053151
Autor:
J. Cymerman Craig, Aslam M. Ansari
Publikováno v:
Synthesis. 1995:147-149
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8091e9d554c67ab3f16e4ba88e229d08
https://doi.org/10.1055/s-1995-3886
https://doi.org/10.1055/s-1995-3886
Publikováno v:
Organic Syntheses
α-Naphthyl isothiocyanate reactant: 16.2 g. (0.08 mole) of dry α-naphthylthiourea product: α-naphthyl isothiocyanate product: phenyl product: o-chlorophenyl product: p-bromophenyl product: p-biphenylyl product: β-naphthyl product: 9-phenanthryl p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff1a36d7b5c52567bb5ea3f74a2f5d49
https://doi.org/10.1002/0471264180.os036.22
https://doi.org/10.1002/0471264180.os036.22
Autor:
J. Cymerman‐Craig, J. W. Loder
Publikováno v:
Organic Syntheses
Methyl 2-thienyl sulfide product: methyl 2-thienyl sulfide Keywords: Grignard and related reactions; sulfur, purification of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8683f7b90be7cb7a0b3a30889a1a5d64
https://doi.org/10.1002/0471264180.os035.30
https://doi.org/10.1002/0471264180.os035.30