scholarly journals An In Situ Directing Group Strategy for Chiral Anion Phase-Transfer Fluorination of Allylic Alcohols

2014 ◽  
Vol 136 (37) ◽  
pp. 12864-12867 ◽  
Author(s):  
Weiwei Zi ◽  
Yi-Ming Wang ◽  
F. Dean Toste
Keyword(s):  
Phase Transfer ◽  
Allylic Alcohols ◽  
Group Strategy ◽  
Directing Group

Rhodium(iii)-catalyzed indole synthesis at room temperature using the transient oxidizing directing group strategy

2019 ◽  
Vol 55 (64) ◽  
pp. 9547-9550 ◽  
Author(s):  
Yaping Shang ◽  
Krishna Jonnada ◽  
Subhash Laxman Yedage ◽  
Hua Tu ◽  
Xiaofeng Zhang ◽  
...  
Keyword(s):  
Room Temperature ◽  
Nitroso Group ◽  
Group Strategy ◽  
Internal Alkynes ◽  
Directing Group ◽  
Catalyzed Reactions ◽  
Indole Synthesis

Rh-Catalyzed reactions of N-alkyl anilines with internal alkynes at room temperature have been developed using an in situ generated N-nitroso group as a transient oxidizing directing group.

scholarly journals Manganese-catalyzed selective C–H activation and deuteration by means of a catalytic transient directing group strategy

2021 ◽  
Author(s):  
Sara Kopf ◽  
Helfried Neumann ◽  
Matthias Beller
Keyword(s):  
Group Strategy ◽  
One Step ◽  
Directing Group

A shortcut to ortho-deuterated aldehydes: a catalytic directing group enables the manganese-catalyzed C–H activation and deuteration of benzaldehydes in one step.

A Transient Directing Group Strategy Enables Enantioselective Multicomponent Organofluorine Synthesis

2021 ◽  
Author(s):  
Zhonglin Liu ◽  
Lucas J. Oxtoby ◽  
Mingyu Liu ◽  
Zi-Qi Li ◽  
Van T. Tran ◽  
...  
Keyword(s):  
Group Strategy ◽  
Directing Group

Microwave Energy Pretreated In Situ Transesterification of Jatropha Curcas L in the Presence of Phase Transfer Catalyst

2014 ◽  
Vol 625 ◽  
pp. 267-270 ◽  
Author(s):  
Sintayehu Mekuria Hailegiorgis ◽  
Mahadzir Shuhaimi ◽  
Duvvuri Subbarao
Keyword(s):  
Statistical Model ◽  
Jatropha Curcas ◽  
Phase Transfer ◽  
Phase Transfer Catalyst ◽  
In Situ Transesterification ◽  
Heat Pretreatment ◽  
Seed Particles ◽  
Optimum Reaction ◽  
Microwave Heat

In the present work, microwave heat pretreatment of jatropha curcas seed particles and use of phase transfer catalyst (PTC) to enhance in-situ transesterification were utilized together. It was observed that use of alkaline BTMAOH as a PTC and microwave heat pretreatment of jatropha curcas seed particles had substantially increased the reaction rate of in-situ transesterification as compared to the reaction conducted with microwave untreated seeds in the absence of BTMAOH as a PTC. Statistical model equation was developed to investigate the interaction effect of reaction variables and establish optimum reaction condition. At optimum condition, experimentally obtained FAME yield (93.7±1.53% w/w) was in close agreement with statistical model predicted FAME yield (96.75%) at 38°C and 37 minutes of reaction time.

An Efficient Electrophilic N-Amination Utilizing in situ Generated Chloramine under Phase Transfer Conditions.

ChemInform ◽  
2006 ◽  
Vol 37 (45) ◽  
Author(s):  
Apurba Bhattacharya ◽  
Nitin C. Patel ◽  
Robert Erik Plata ◽  
Michael Peddicord ◽  
Qingmei Ye ◽  
...  
Keyword(s):  
Phase Transfer

A Domino Heck Coupling–Cyclization–Dehydrogenative Strategy for the One-Pot Synthesis of Quinolines

Synthesis ◽  
2021 ◽  
Author(s):  
Santanu Ghora ◽  
Chinnabattigalla Sreenivasulu ◽  
Gedu Satyanarayana
Keyword(s):  
Functional Group ◽  
Exchange Process ◽  
Palladium Catalysis ◽  
Allylic Alcohols ◽  
Heck Coupling ◽  
One Pot ◽  
Synthetic Process ◽  
Intramolecular Condensation ◽  
The One

AbstractAn efficient, one-pot, domino synthesis of quinolines via the coupling of iodoanilines with allylic alcohols facilitated by palladium catalysis is described. The overall synthetic process involves an intermolecular Heck coupling between 2-iodoanilines and allylic alcohols, intramolecular condensation of in situ generated ketones with an internal amine functional group, and a dehydrogenation sequence. Notably, this protocol occurs in water as a green solvent. Significantly, the method exhibits broad substrate scope and is applied for the synthesis of deuterated quinolines through a deuterium-exchange process.

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