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Molbank
Volume 2022
Issue 4
10.3390/M1490
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Short Note

2-((4-(2-Ethylhexyl)-1,2,3,3a,4,8b-hexahydrocyclopenta[b]indol-7-yl)methylene)malononitrile

by
Nikita S. Gudim
,
Ekaterina A. Knyazeva
*,
Konstantin P. Trainov
and
Oleg A. Rakitin
N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, 47 Leninsky Prospekt, Moscow 119991, Russia
*
Author to whom correspondence should be addressed.
Molbank 2022, 2022(4), M1490; https://doi.org/10.3390/M1490
Submission received: 7 October 2022 / Revised: 8 November 2022 / Accepted: 9 November 2022 / Published: 11 November 2022
(This article belongs to the Section Organic Synthesis and Biosynthesis)
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Abstract

New small acceptor–donor (A–D) molecules have been recently investigated as a component of organic solar cells. In this research, 2-((4-(2-ethylhexyl)-1,2,3,3a,4,8b-hexahydrocyclopenta[b]indol-7-yl)methylene)malononitrile was prepared from 4-(2-ethylhexyl)-1,2,3,3a,4,8b-hexahydrocyclopenta[b]indole in a two-step process via Vilsmeier–Haack formylation and Knoevenagel reaction with malononitrile. The structures of newly synthesized compounds were established by means of elemental analysis, high-resolution mass spectrometry, 1H, 13C NMR, IR and UV–Vis spectroscopy, as well as mass spectrometry.
Keywords: small acceptor–donor (A–D) molecules; 1,2,3,3a,4,8b-hexahydrocyclopenta[b]indole; Vilsmeier–Haack formylation; Knoevenagel reaction; luminescent properties small acceptor–donor (A–D) molecules; 1,2,3,3a,4,8b-hexahydrocyclopenta[b]indole; Vilsmeier–Haack formylation; Knoevenagel reaction; luminescent properties
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MDPI and ACS Style

Gudim, N.S.; Knyazeva, E.A.; Trainov, K.P.; Rakitin, O.A. 2-((4-(2-Ethylhexyl)-1,2,3,3a,4,8b-hexahydrocyclopenta[b]indol-7-yl)methylene)malononitrile. Molbank 2022, 2022, M1490. https://doi.org/10.3390/M1490

AMA Style

Gudim NS, Knyazeva EA, Trainov KP, Rakitin OA. 2-((4-(2-Ethylhexyl)-1,2,3,3a,4,8b-hexahydrocyclopenta[b]indol-7-yl)methylene)malononitrile. Molbank. 2022; 2022(4):M1490. https://doi.org/10.3390/M1490

Chicago/Turabian Style

Gudim, Nikita S., Ekaterina A. Knyazeva, Konstantin P. Trainov, and Oleg A. Rakitin. 2022. "2-((4-(2-Ethylhexyl)-1,2,3,3a,4,8b-hexahydrocyclopenta[b]indol-7-yl)methylene)malononitrile" Molbank 2022, no. 4: M1490. https://doi.org/10.3390/M1490

APA Style

Gudim, N. S., Knyazeva, E. A., Trainov, K. P., & Rakitin, O. A. (2022). 2-((4-(2-Ethylhexyl)-1,2,3,3a,4,8b-hexahydrocyclopenta[b]indol-7-yl)methylene)malononitrile. Molbank, 2022(4), M1490. https://doi.org/10.3390/M1490

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