Role of substituents on resonance assisted hydrogen bonding intermolecular hydrogen bonding
The role of substituents on resonance assisted hydrogen bonding (RAHB) vs. intermolecular hydrogen bonding is highlighted in known arylhydrazones of active methylene compounds (AHAMCs) and in their new representatives - ( E / Z )-2-(2-( para -substitutedphenyl)hydrazineylidene)- N , N -diethyl-3-oxo...
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| Veröffentlicht in: | CrystEngComm 2020-01, Vol.22 (4), p.628-633 |
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| creator | Gurbanov, Atash V Kuznetsov, Maxim L Demukhamedova, Svetlana D Alieva, Irada N Godjaev, Niftali M Zubkov, Fedor I Mahmudov, Kamran T Pombeiro, Armando J. L |
| description | The role of substituents on resonance assisted hydrogen bonding (RAHB)
vs.
intermolecular hydrogen bonding is highlighted in known arylhydrazones of active methylene compounds (AHAMCs) and in their new representatives - (
E
/
Z
)-2-(2-(
para
-substitutedphenyl)hydrazineylidene)-
N
,
N
-diethyl-3-oxobutanamides (-C
2
H
5
, -H, -COOH, -CN). The strength of the H-bond depends on the attached functional groups to both the active methylene fragment and the aromatic moiety of the AHAMC. For instance, attachment of the strong electron donor group -N(C
2
H
5
)
2
(
σ
p
= −0.72) to the active methylene fragment of AHAMC allows to isolate this class of compounds without RAHB but with strong intermolecular H-bonds, which are the first examples reported herein.
Resonance assisted hydrogen bond (RAHB) ring can be weakened/opened by a strong electron-donor (ED) group. |
| doi_str_mv | 10.1039/c9ce01744e |
| format | Article |
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vs.
intermolecular hydrogen bonding is highlighted in known arylhydrazones of active methylene compounds (AHAMCs) and in their new representatives - (
E
/
Z
)-2-(2-(
para
-substitutedphenyl)hydrazineylidene)-
N
,
N
-diethyl-3-oxobutanamides (-C
2
H
5
, -H, -COOH, -CN). The strength of the H-bond depends on the attached functional groups to both the active methylene fragment and the aromatic moiety of the AHAMC. For instance, attachment of the strong electron donor group -N(C
2
H
5
)
2
(
σ
p
= −0.72) to the active methylene fragment of AHAMC allows to isolate this class of compounds without RAHB but with strong intermolecular H-bonds, which are the first examples reported herein.
Resonance assisted hydrogen bond (RAHB) ring can be weakened/opened by a strong electron-donor (ED) group.</description><identifier>EISSN: 1466-8033</identifier><identifier>DOI: 10.1039/c9ce01744e</identifier><ispartof>CrystEngComm, 2020-01, Vol.22 (4), p.628-633</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Gurbanov, Atash V</creatorcontrib><creatorcontrib>Kuznetsov, Maxim L</creatorcontrib><creatorcontrib>Demukhamedova, Svetlana D</creatorcontrib><creatorcontrib>Alieva, Irada N</creatorcontrib><creatorcontrib>Godjaev, Niftali M</creatorcontrib><creatorcontrib>Zubkov, Fedor I</creatorcontrib><creatorcontrib>Mahmudov, Kamran T</creatorcontrib><creatorcontrib>Pombeiro, Armando J. L</creatorcontrib><title>Role of substituents on resonance assisted hydrogen bonding intermolecular hydrogen bonding</title><title>CrystEngComm</title><description>The role of substituents on resonance assisted hydrogen bonding (RAHB)
vs.
intermolecular hydrogen bonding is highlighted in known arylhydrazones of active methylene compounds (AHAMCs) and in their new representatives - (
E
/
Z
)-2-(2-(
para
-substitutedphenyl)hydrazineylidene)-
N
,
N
-diethyl-3-oxobutanamides (-C
2
H
5
, -H, -COOH, -CN). The strength of the H-bond depends on the attached functional groups to both the active methylene fragment and the aromatic moiety of the AHAMC. For instance, attachment of the strong electron donor group -N(C
2
H
5
)
2
(
σ
p
= −0.72) to the active methylene fragment of AHAMC allows to isolate this class of compounds without RAHB but with strong intermolecular H-bonds, which are the first examples reported herein.
Resonance assisted hydrogen bond (RAHB) ring can be weakened/opened by a strong electron-donor (ED) group.</description><issn>1466-8033</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFjj0LwjAUAIMgWD8Wd-H9gWpCSrWzKM7i5iBp-loj7YvkpUP_vQ6Cg4PTDQfHCbFUcq2kLja2sCjVNstwJBKV5Xm6k1pPxJT5IaXKlJKJuJ59i-Br4L7k6GKPFBk8QUD2ZMgiGGbHESu4D1XwDRKUnipHDTiKGLp3wPatCT9-Lsa1aRkXH87E6ni47E9pYHt7BteZMNy-l_qffwEQ_0Rl</recordid><startdate>20200127</startdate><enddate>20200127</enddate><creator>Gurbanov, Atash V</creator><creator>Kuznetsov, Maxim L</creator><creator>Demukhamedova, Svetlana D</creator><creator>Alieva, Irada N</creator><creator>Godjaev, Niftali M</creator><creator>Zubkov, Fedor I</creator><creator>Mahmudov, Kamran T</creator><creator>Pombeiro, Armando J. L</creator><scope/></search><sort><creationdate>20200127</creationdate><title>Role of substituents on resonance assisted hydrogen bonding intermolecular hydrogen bonding</title><author>Gurbanov, Atash V ; Kuznetsov, Maxim L ; Demukhamedova, Svetlana D ; Alieva, Irada N ; Godjaev, Niftali M ; Zubkov, Fedor I ; Mahmudov, Kamran T ; Pombeiro, Armando J. L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_c9ce01744e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><creationdate>2020</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gurbanov, Atash V</creatorcontrib><creatorcontrib>Kuznetsov, Maxim L</creatorcontrib><creatorcontrib>Demukhamedova, Svetlana D</creatorcontrib><creatorcontrib>Alieva, Irada N</creatorcontrib><creatorcontrib>Godjaev, Niftali M</creatorcontrib><creatorcontrib>Zubkov, Fedor I</creatorcontrib><creatorcontrib>Mahmudov, Kamran T</creatorcontrib><creatorcontrib>Pombeiro, Armando J. L</creatorcontrib><jtitle>CrystEngComm</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gurbanov, Atash V</au><au>Kuznetsov, Maxim L</au><au>Demukhamedova, Svetlana D</au><au>Alieva, Irada N</au><au>Godjaev, Niftali M</au><au>Zubkov, Fedor I</au><au>Mahmudov, Kamran T</au><au>Pombeiro, Armando J. L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Role of substituents on resonance assisted hydrogen bonding intermolecular hydrogen bonding</atitle><jtitle>CrystEngComm</jtitle><date>2020-01-27</date><risdate>2020</risdate><volume>22</volume><issue>4</issue><spage>628</spage><epage>633</epage><pages>628-633</pages><eissn>1466-8033</eissn><abstract>The role of substituents on resonance assisted hydrogen bonding (RAHB)
vs.
intermolecular hydrogen bonding is highlighted in known arylhydrazones of active methylene compounds (AHAMCs) and in their new representatives - (
E
/
Z
)-2-(2-(
para
-substitutedphenyl)hydrazineylidene)-
N
,
N
-diethyl-3-oxobutanamides (-C
2
H
5
, -H, -COOH, -CN). The strength of the H-bond depends on the attached functional groups to both the active methylene fragment and the aromatic moiety of the AHAMC. For instance, attachment of the strong electron donor group -N(C
2
H
5
)
2
(
σ
p
= −0.72) to the active methylene fragment of AHAMC allows to isolate this class of compounds without RAHB but with strong intermolecular H-bonds, which are the first examples reported herein.
Resonance assisted hydrogen bond (RAHB) ring can be weakened/opened by a strong electron-donor (ED) group.</abstract><doi>10.1039/c9ce01744e</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 1466-8033 |
| ispartof | CrystEngComm, 2020-01, Vol.22 (4), p.628-633 |
| issn | 1466-8033 |
| language | |
| recordid | cdi_rsc_primary_c9ce01744e |
| source | Royal Society Of Chemistry Journals; Alma/SFX Local Collection |
| title | Role of substituents on resonance assisted hydrogen bonding intermolecular hydrogen bonding |
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