Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Bidisha Ray"'
Autor:
Bidisha Ray, Santanu Mukherjee
Publikováno v:
Tetrahedron. 75:3292-3298
The first catalytic enantioselective Michael addition of deconjugated butyrolactams to N-arylmaleimides is developed with the help of a bifunctional tertiary aminosquaramide catalyst. Unlike the widely explored and structurally related vinylogous nuc
Publikováno v:
Asian Journal of Organic Chemistry. 8:1045-1048
The first catalytic enantioselective direct aldol reaction of 3-acetylcoumarins to pyrazole-4,5-diones is reported and shown to proceed through noncovalent substrate activation by a quinine-derived bifunctional tertiary amino-amide as the catalyst. T
Autor:
Bidisha Ray, Santanu Mukherjee
Publikováno v:
The Journal of Organic Chemistry. 83:10871-10880
The first catalytic enantioselective vinylogous nucleophilic addition to pyrazole-4,5-diones is reported. Using quinine-derived bifunctional tertiary amino-amide as the catalyst, this direct aldol reaction of allyl ketones is shown to proceed exclusi
Autor:
Khaleda Banu, Maz Haque, Tania Das Gupta, Bidisha Ray, Hafizul Islam, Supriya Bhattacharyya, Helal Mohiuddin, Mandakranta Bose, C. Emdad Haque, Jane Pulkingham, Sanzida Habib, Marina Hossain, Mustafa Chowdhury, Iqbal Bhuiyan, Sarika Priyadarshini Bose, Ranjan Datta, Rafia Mahzabin, Chinmoy Banerjee, Bidushy Rahman, M Mostafa Zaman, Fariha Khondaker, Habiba Zaman, Muhammad Aminul Islam, Tareq Islam
The Canada 150 Conference on Migration of Bengalis was triggered by our academic as well as personal desires to establish broadly the history of migration of Bengalis or Bangla-speaking people to Canada. As long-time researchers on Asian immigrants i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12dd694ca2742e8d67577a1c07953121
https://doi.org/10.21810/sfulibrary.73
https://doi.org/10.21810/sfulibrary.73
Publikováno v:
Synthesis. 45:1641-1646
Direct asymmetric vinylogous Michael reactions of gamma-aryl-substituted deconjugated butenolides with nitroolefins and N-phenylmaleimide are described using bifunctional thiourea derivatives as the catalyst. The resulting butenolide derivatives cont
Publikováno v:
ChemInform. 44
Reaction of γ-butenolides (III) and (VI) with nitroolefins is carried out in the presence of the bifunctional cinchona thiourea derivative (I).
Autor:
Monica Sood, B. Rochelson, Rachel Ravens, N. Vohra, Bidisha Ray, David A. Krantz, Dawnette Lewis, Hima Tam Tam
Publikováno v:
American journal of obstetrics and gynecology. 203(4)
Objective We sought to determine efficacy of minor markers for detection of Down syndrome (DS) in a population prescreened with first-trimester combined screening (FTS). Study Design FTS was modified using established likelihood ratios to generate a