Zobrazeno 1 - 10
of 190
pro vyhledávání: '"So, Rina"'
Autor:
Rina Rosenzweig, Lewis E. Kay
Publikováno v:
ChemInform. 47
Solution-based NMR spectroscopy has been an important tool for studying the structure and dynamics of relatively small proteins and protein complexes with aggregate molecular masses under approximately 50 kDa. The development of new experiments and l
Publikováno v:
ChemInform. 46
The asymmetric transfer hydrogenation (ATH) of ketones under aqueous conditions using tethered Ru(II)/η6-arene/diamine catalysts is described, as is the ATH of electron-rich substrates containing amine and methoxy groups on the aromatic rings. Altho
Autor:
Kenji Fukui, Osamu Tamura, Shintaro Ban, Iwao Okamoto, Nobuyoshi Morita, Asuka Miyazawa, Isao Azumaya, Yoshimitsu Hashimoto, Rina Kono, Hyuma Masu
Publikováno v:
ChemInform. 46
O-Silyloxime (I) reacts with alkenes (II) and Boc2O to the Boc-protected isoxazolidin-3-carboxamides (IV) and (V) favouring the cis-isomer (IV).
Autor:
Vladimir A. D’yakonov, Rina A. Agliullina, Tatyana V. Tyumkina, Usein M. Dzhemilev, Alevtina L. Makhamatkhanova
Publikováno v:
ChemInform. 45
Aluminacyclopentenes generated in situ from acetylenes and triethylaluminium react with phosphorous dihalides to give phospholenes (IV), which can be easily converted into the corresponding oxides and sulfides upon treatment with H2O2 or elemental su
Autor:
Rina Mondal, Asok K. Mallik
Publikováno v:
ChemInform. 45
Alkali metal carbonates (M2CO3) are weak bases and are useful in organic synthesis. Several recent studies have shown that potassium carbonate (anhydrous or as the ses-quihydrate, in combination wi...
Publikováno v:
ChemInform. 45
A new efficient methodology has been developed for the synthesis of para -alkoxyphenols, an important group of anti-melanoma compounds, by heating alcoholic solutions of para -benzoquinones in the presence of amberlyst-15. The most notable feature he
Publikováno v:
ChemInform. 45
Spiroketals are cyclic ketals in which two rings are joined by a single spiro atom and two ketal oxygen flanking the spiro atom, each belonging to one of the rings. Spiroketals are structural subunits found in many biologically active natural product
Publikováno v:
ChemInform. 45
Two expedient one-pot methods have been developed for synthesis of β-aryl-β-mercaptoketones using acetophenones, benzaldehydes and thiols as starting materials. The methods involve microwave irradi- ation (5 min) of 1:1 mixtures of acetophenones an
Publikováno v:
ChemInform. 44
A simple and efficient synthesis of E-9-aryl-5-arylidene-1-oxo-1,2,3,4,5,6,7,8-octahydroxanthenes and their lower analogues has been developed by amberlyst–15 catalysed cyclocondensation of E,E-α,α′-diarylidenecyclohexanones and E,E-α,α′-di
Publikováno v:
ChemInform. 44