Wiley
Asian Journal of Organic Chemistry
,  volume 14 ,  issue 4 ,  publication number e202400660

DBU‐Mediated Reaction of 3‐Chlorooxindole and 9‐Xanthyl Fluorene for Synthesis of 3‐Arylidene Oxindole

Nitchakan Purahong 1
, 
Thapong Teerawatananond 2
, 
Nawasit Chotsaeng 1
, 
Pattarapapa Janthakit 3
, 
Phattananawee Nalaoh 3
, 
VINICH PROMARAK 3
, 
Chutima Kuhakarn 4
, 
Jatuporn Meesin 1
1
 
2
 
3
 
4
 
Publication type: Journal Article
Publication date: 2025-02-06
Wiley
scimago Q2
wos Q2
SJR: 0.542
CiteScore: 5.0
Impact factor: 2.7
ISSN: 21935807, 21935815
Abstract

This work reports a new route for the synthesis of 3‐(9H‐fluoren‐9‐ylidene)indolin‐2‐one derivatives via the reaction of 3‐chlorooxindoles and O‐ethyl S‐(9H‐fluoren‐9‐yl) carbonodithioates mediated by 1,8‐diazabicyclo[5.4.0]undec‐7‐ene (DBU). The reactions readily proceeded at room temperature, enable a collection of 3‐alkenyl oxindoles to be prepared within a short reaction time (15 minutes). The 3‐alkenyl oxindoles can be easily converted to 3‐fluorenyl oxindoles by NaBH4 reduction.

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GOST Copy
Purahong N. et al. DBU‐Mediated Reaction of 3‐Chlorooxindole and 9‐Xanthyl Fluorene for Synthesis of 3‐Arylidene Oxindole // Asian Journal of Organic Chemistry. 2025. Vol. 14. No. 4. e202400660
GOST all authors (up to 50) Copy
Purahong N., Teerawatananond T., Chotsaeng N., Janthakit P., Nalaoh P., PROMARAK V., Kuhakarn C., Meesin J. DBU‐Mediated Reaction of 3‐Chlorooxindole and 9‐Xanthyl Fluorene for Synthesis of 3‐Arylidene Oxindole // Asian Journal of Organic Chemistry. 2025. Vol. 14. No. 4. e202400660
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RIS Copy
TY - JOUR
DO - 10.1002/ajoc.202400660
UR - https://aces.onlinelibrary.wiley.com/doi/10.1002/ajoc.202400660
TI - DBU‐Mediated Reaction of 3‐Chlorooxindole and 9‐Xanthyl Fluorene for Synthesis of 3‐Arylidene Oxindole
T2 - Asian Journal of Organic Chemistry
AU - Purahong, Nitchakan
AU - Teerawatananond, Thapong
AU - Chotsaeng, Nawasit
AU - Janthakit, Pattarapapa
AU - Nalaoh, Phattananawee
AU - PROMARAK, VINICH
AU - Kuhakarn, Chutima
AU - Meesin, Jatuporn
PY - 2025
DA - 2025/02/06
PB - Wiley
IS - 4
VL - 14
SN - 2193-5807
SN - 2193-5815
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2025_Purahong,
author = {Nitchakan Purahong and Thapong Teerawatananond and Nawasit Chotsaeng and Pattarapapa Janthakit and Phattananawee Nalaoh and VINICH PROMARAK and Chutima Kuhakarn and Jatuporn Meesin},
title = {DBU‐Mediated Reaction of 3‐Chlorooxindole and 9‐Xanthyl Fluorene for Synthesis of 3‐Arylidene Oxindole},
journal = {Asian Journal of Organic Chemistry},
year = {2025},
volume = {14},
publisher = {Wiley},
month = {feb},
url = {https://aces.onlinelibrary.wiley.com/doi/10.1002/ajoc.202400660},
number = {4},
pages = {e202400660},
doi = {10.1002/ajoc.202400660}
}