Wiley
European Journal of Organic Chemistry
,  volume 2022 ,  issue 5

Synthesis of 2‐Substituted Indoles by Pd‐Catalyzed Reductive Cyclization of 1‐Halo‐2‐nitrobenzene with Alkynes

Publication type: Journal Article
Publication date: 2022-02-01
Wiley
scimago Q2
wos Q2
SJR: 0.558
CiteScore: 4.3
Impact factor: 2.7
ISSN: 1434193X, 10990690
Organic Chemistry
Physical and Theoretical Chemistry
Abstract
A tandem addition/reductive cyclization pathway for producing 2-substituted indoles from 1-halo-2-nitrobenzene and terminal alkynes is reported for the first time. The direct C−C and C−N bond formation involves a Sonogashira-type coupling reaction followed by reductive cyclization. The stable and robust dppf ligated Pd dithiolate complex was employed as catalyst and Zn as an inexpensive reductant.
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GOST Copy
Lokolkar M. S. et al. Synthesis of 2‐Substituted Indoles by Pd‐Catalyzed Reductive Cyclization of 1‐Halo‐2‐nitrobenzene with Alkynes // European Journal of Organic Chemistry. 2022. Vol. 2022. No. 5.
GOST all authors (up to 50) Copy
Lokolkar M. S., Mane P. A., Dey S., Bhanage B. M. Synthesis of 2‐Substituted Indoles by Pd‐Catalyzed Reductive Cyclization of 1‐Halo‐2‐nitrobenzene with Alkynes // European Journal of Organic Chemistry. 2022. Vol. 2022. No. 5.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/ejoc.202101505
UR - https://doi.org/10.1002/ejoc.202101505
TI - Synthesis of 2‐Substituted Indoles by Pd‐Catalyzed Reductive Cyclization of 1‐Halo‐2‐nitrobenzene with Alkynes
T2 - European Journal of Organic Chemistry
AU - Lokolkar, Manjunath S
AU - Mane, Pravin A
AU - Dey, Sandip
AU - Bhanage, Bhalchandra M.
PY - 2022
DA - 2022/02/01
PB - Wiley
IS - 5
VL - 2022
SN - 1434-193X
SN - 1099-0690
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2022_Lokolkar,
author = {Manjunath S Lokolkar and Pravin A Mane and Sandip Dey and Bhalchandra M. Bhanage},
title = {Synthesis of 2‐Substituted Indoles by Pd‐Catalyzed Reductive Cyclization of 1‐Halo‐2‐nitrobenzene with Alkynes},
journal = {European Journal of Organic Chemistry},
year = {2022},
volume = {2022},
publisher = {Wiley},
month = {feb},
url = {https://doi.org/10.1002/ejoc.202101505},
number = {5},
doi = {10.1002/ejoc.202101505}
}