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Alkylation

About: Alkylation is a research topic. Over the lifetime, 29915 publications have been published within this topic receiving 464944 citations. The topic is also known as: alkylation reaction.


Papers
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Journal ArticleDOI
TL;DR: The results show that His is the base catalyst for the dealkylation of the covalent intermediate, but that it is not essential for the initial nucleophilic attack of Asp on the C-1 atom of the haloalkane.

113 citations

Patent
12 May 1972
TL;DR: In this article, a process for the kylocalylation of aromatic hydraconauts is described, in the presence of a catalyst coming into contact with a cylstalline aluminosilicon aluminometer.
Abstract: A PROCESS IS PROVIDED FOR ALKYLATION OF AROMATIC HYDROCARBONS BY CONTACTING SAME WITH AN ALKYLATING AGENT IN A REACTION ZONE MAINTAINED UNDER CONDITIONS SUCH THAT SAID ALKYLATION IS ACCOMPLISHED IN THE VAPOR-PHASE AND IN THE PRESENCE OF A CATALYST COMPRISING A CRYSTALLINE ALUMINOSILICATE ZEOLITE CHARACTERIZED BY A UNIQUE X-RAY DIFFRACTION PATTERN, SAID CATALYST UNDER SAID CONDITIONS BEING CAPABLE OF AFFORDING A HIGH AND SELECTIVE YIELD OF DESIRED ALKYLAROMATIC PRODUCT. SAID ALKYLATION PROCESS IS ACCOMPANIED BY A SYSTEM FOR TRANSALKYLATION OF THE POLYALKYLAROMATIC PORTION OF THE EFFLUENT FROM SAID ALKYLATION PROCESS. THERE IS ALSO PROVIDED, WHEN SAID REACTION ZONE IS COMPRISED OF A SERIES OF REACTOR STAGES, A QUENCH FOR EFFLUENT FROM SAID STAGES BETWEEN SAID STAGES. ALSO, A CATALYST STEAM REGENERATION METHOD IS PROVIDED.

113 citations

Journal ArticleDOI
TL;DR: In this article, the authors investigated the performance of a CeO2-MgO catalysts for the alkylation of phenol with methanol and found that they had excellent selectivities to the sum ofo-cresol and 2,6-xylenol higher than 98%.

113 citations

Journal ArticleDOI
TL;DR: A detailed study of the DNA alkylation properties of (+)-duocarmycin SA, ent-(-)-ducarmmmycin SA and ent-()-D-BOC-DSA (2) is described in this article, and the development of a model that accommodates the offset AT-rich adenine N3 N3 selectivity is presented.
Abstract: A detailed study of the DNA alkylation properties of (+)-duocarmycin SA, ent-(-)-duocarmycin SA, and (+)- and ent-(-)-N-BOC-DSA (2) is described, and the development of a model that accommodates the offset AT-rich adenine N3 alkylation selectivity of the enantiomeric agents is presented

113 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023652
20221,161
2021561
2020516
2019630
2018631