Výsledky vyhledávání - "Tharallah Shoker"

Non‐Planar Structures of Sterically Overcrowded Trialkylamines

Autor: Manuel Heck, Tharallah Shoker, A. Daniel Boese, Andreas Ihle, Michael Wörle, Klaus Banert

Publikováno v: Chemistry (Weinheim an Der Bergstrasse, Germany)
Chemistry-A European Journal, 27 (11)

Several amines with three bulky alkyl groups at the nitrogen atom, which exceed the steric crowding of triisopropylamine significantly, were synthesized, mainly by treating N‐chlorodialkylamines with Grignard reagents. In six cases, namely tert‐b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3a517f4698d57d7c27e0f1a107ad85f
https://doi.org/10.1002/chem.202003933

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Synthesis of Trialkylamines with Extreme Steric Hindrance and Their Decay by a Hofmann-like Elimination Reaction

Autor: Raphael Hertel, Manuel Heck, Paul R. Rablen, Andreas Ihle, Klaus Banert, Tom Pester, Manfred Hagedorn, Tharallah Shoker, Ioana Müller

Publikováno v: The Journal of organic chemistry. 85(21)

A number of amines with three bulky alkyl groups at the nitrogen, which surpass the steric crowding of triisopropylamine considerably, were prepared by using different synthetic methods. It turned out that treatment of N-chlorodialkylamines with orga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f244b9fea1d6797f4da116bd28e82b51
https://pubmed.ncbi.nlm.nih.gov/33113331

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Cover Feature: Non‐Planar Structures of Sterically Overcrowded Trialkylamines (Chem. Eur. J. 11/2021)

Autor: Michael Wörle, Klaus Banert, Manuel Heck, Andreas Ihle, A. Daniel Boese, Tharallah Shoker

Publikováno v: Chemistry – A European Journal. 27:3571-3571

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ef25e05b901f678f30e91dd06b18192
https://doi.org/10.1002/chem.202005266

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Steric Hindrance Underestimated: It is a Long, Long Way to Tri- tert-alkylamines

Autor: Klaus Banert, Tharallah Shoker, Julia Kronawitt, Andreas Ihle, Tom Pester, Manuel Heck

Publikováno v: The Journal of organic chemistry. 83(9)

Ten different processes (Methods A–J) were tested to prepare tertiary amines bearing bulky alkyl groups. In particular, SN1 alkylation of secondary amines with the help of 1-adamantyl triflate (Method D) and reaction of N-chlorodialkylamines with o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aadd2e453f8ec83ad38ff0711f2f62e3
https://pubmed.ncbi.nlm.nih.gov/29630365

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