Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Ayan Dasgupta"'
Autor:
Nusaybah Alotaibi, Rasool Babaahmadi, Milan Pramanik, Tanja Kaehler, Ayan Dasgupta, Emma Richards, Alireza Ariafard, Thomas Wirth, Rebecca L. Melen
Publikováno v:
Dalton Transactions. 52:5039-5043
Herein we report the B(3,4,5-F3H2C6)3-catalysed C3-allylation of indoles using allylic esters.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::681cc24911a348dbe60084dee2681c31
https://doi.org/10.1039/d3dt00745f
https://doi.org/10.1039/d3dt00745f
Autor:
Yashar Soltani, Ayan Dasgupta, Theodore A. Gazis, Darren M.C. Ould, Emma Richards, Ben Slater, Katarina Stefkova, Vladimir Y. Vladimirov, Lewis C. Wilkins, Darren Willcox, Rebecca L. Melen
Publikováno v:
Cell Reports Physical Science, Vol 1, Iss 2, Pp 100016- (2020)
Summary: Advances in the chemistry of metal-free systems known as frustrated Lewis pairs (FLPs) has exposed new reactivity of the p-block elements, particularly in small-molecule activation and catalysis. Typically, the mode of activation by FLPs has
Externí odkaz:
https://doaj.org/article/cca8bdee189b4511938567572932f9c2
Publikováno v:
ACS Catalysis
Reactive carbenes generated from diazo compounds are key intermediates for a range of organic reactions to afford synthetically useful organic compounds. The majority of these reactions have been carried out using transition metal catalysts. However,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e55de0571701a686f84f4edc0252fcf
https://doi.org/10.1021/acscatal.1c04746
https://doi.org/10.1021/acscatal.1c04746
Autor:
Alireza Ariafard, Ayan Dasgupta, Lukas Gierlichs, Rebecca L. Melen, Katarina Stefkova, Rasool Babaahmadi, Sanjukta Pahar, Brian F. Yates
Publikováno v:
Angewandte Chemie (International Ed. in English)
In recent years, metal‐free organic synthesis using triarylboranes as catalysts has become a prevalent research area. Herein we report a comprehensive computational and experimental study for the highly selective synthesis of N‐substituted pyrazo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4bedf103d9d31257fa567e94777902b
https://doi.org/10.1002/anie.202109744
https://doi.org/10.1002/anie.202109744
Autor:
Rebecca L. Melen, Lukas Gierlichs, Katarina Stefkova, Sanjukta Pahar, Rasool Babaahmadi, Alireza Ariafard, Ayan Dasgupta, Brian F. Yates
Publikováno v:
Angewandte Chemie. 133:24599-24604
In den letzten Jahren hat sich die metallfreie organische Synthese unter Verwendung von Triarylboranen als Katalysatoren zu einem weit verbreiteten Forschungsgebiet entwickelt. Hier berichten wir über eine umfassende theoretische und experimentelle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62ea54c5b7079a24319cf3f78bebf5e8
https://doi.org/10.1002/ange.202109744
https://doi.org/10.1002/ange.202109744
Publikováno v:
Organic & Biomolecular Chemistry. 19:4852-4865
Understanding the role of boranes in hypervalent iodine chemistry will open up new reactivities which can be utilised in organic synthesis. Due to similar reactivities, λ3-iodanes have presented themselves as viable alternatives for many transformat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ca77c1924d1aa169ac26385037192dd
https://doi.org/10.1039/d1ob00740h
https://doi.org/10.1039/d1ob00740h
Autor:
Ayan Dasgupta, Yara van Ingen, Michael G. Guerzoni, Kaveh Farshadfar, Jeremy M. Rawson, Emma Richards, Alireza Ariafard, Rebecca L. Melen
Publikováno v:
Chemistry (Weinheim an der Bergstrasse, Germany). 28(45)
An efficient and mild reaction protocol for the decarbonylation of isocyanates has been developed using catalytic amounts of Lewis acidic boranes. The electronic nature (electron withdrawing, electron neutral, and electron donating) and the position
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d455c92cd88dfe9ad6f102b8475cc81
https://pubmed.ncbi.nlm.nih.gov/35560742
https://pubmed.ncbi.nlm.nih.gov/35560742
Autor:
Rasool Babaahmadi, Ayan Dasgupta, Christopher J. T. Hyland, Brian F. Yates, Rebecca L. Melen, Alireza Ariafard
Diazo compounds have been largely used as carbene precursors for carbene transfer reactions in a variety of functionalization reactions. However, the ease of carbene generation from the corresponding diazo compounds depends upon the electron donating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d1abab39a9d50bbac64271afa399003
Autor:
Rasool Babaahmadi, Rebecca L. Melen, Sanjukta Pahar, Lukas Gierlichs, Brian F. Yates, Alireza Ariafard, Ayan Dasgupta
Decomposition of donor-acceptor diazo compounds leads to the formation of reactive carbene intermediates. These can undergo a wide variety of carbene transfer reactions to yield synthetically useful products. Herein, we report a selective borane cata
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10aecce9d387320636dfc9e9c5556c14
Autor:
Rasool, Babaahmadi, Ayan, Dasgupta, Christopher J T, Hyland, Brian F, Yates, Rebecca L, Melen, Alireza, Ariafard
Publikováno v:
Chemistry (Weinheim an der Bergstrasse, Germany). 28(11)
Diazo compounds have been largely used as carbene precursors for carbene transfer reactions in a variety of functionalization reactions. However, the ease of carbene generation from the corresponding diazo compounds depends upon the electron donating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::1c170abc47cc7556b7cb0f003233e901
https://pubmed.ncbi.nlm.nih.gov/34958698
https://pubmed.ncbi.nlm.nih.gov/34958698