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Amidine compounds as products of a piperidine reaction with acetonitrile in the presence of zinc(II) precursors
ID
Podjed, Nina
(
Avtor
),
ID
Modec, Barbara
(
Avtor
)
PDF - Predstavitvena datoteka,
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(1,42 MB)
MD5: A720A76D4628AC183132E9BFA8769AD6
URL - Izvorni URL, za dostop obiščite
https://www.sciencedirect.com/science/article/pii/S0022286023005549
Galerija slik
Izvleček
The influence of the zinc(II) starting material in the nucleophilic addition of piperidine (abbreviated as pipe) to acetonitrile to form amidine, piperidinoacetamidine (pipeam), was assessed. Thus, zinc(II) oxide, zinc(II) chloride or zinc(II) acetate were reacted with picolinic acid or pyrazinoic acid, piperidine and acetonitrile. The acid was used as a source of an N,O-donor ligand. The reactions with picolinic acid (picH) gave pipeamH[Zn(pic)$_3$]·0.5H$_2$O (1), an amidinium salt of a homoleptic complex [Zn(pic)$_3$]$^–$. The same product was obtained when [Zn(pic)(picH)Cl], an already known picolinate complex, was reacted under similar conditions. The chloride-containing mixtures produced another amidine compound, (pipeamH)Cl. The reactions with pyrazinoic acid (pyrazH) gave pipeamH[Zn(pyraz)$_3$] (3), the amidinium salt of a homoleptic complex [Zn(pyraz)$_3$]$^–$. The acetate-containing mixture yielded acetamidinium acetate. The latter product indicates the presence of ammonia in the reaction. Notably, no amidine species was isolated when the coordinatively saturated pyrazinoate complex, [Zn(pyraz)$_2$]$_n$ (2), was reacted with piperidine and acetonitrile. A detailed structural characterization of the new compounds and a discussion of their formation are presented.
Jezik:
Angleški jezik
Ključne besede:
coordination compounds
,
zinc(II)
,
picolinic acid
,
pyrazinoic acid
,
amidine
,
crystal structure
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FKKT - Fakulteta za kemijo in kemijsko tehnologijo
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2023
Št. strani:
8 str.
Številčenje:
Vol. 1284, art. 135457
PID:
20.500.12556/RUL-145901
UDK:
546.47:547.82
ISSN pri članku:
0022-2860
DOI:
10.1016/j.molstruc.2023.135457
COBISS.SI-ID:
147747843
Datum objave v RUL:
17.05.2023
Število ogledov:
405
Število prenosov:
59
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Objavi na:
Gradivo je del revije
Naslov:
Journal of molecular structure
Skrajšan naslov:
J. mol. struct.
Založnik:
Elsevier
ISSN:
0022-2860
COBISS.SI-ID:
990223
Licence
Licenca:
CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:
Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
koordinacijske spojine
,
cink(II)
,
pikolinska kislina
,
pirazinojska kislina
,
amidin
,
kristalna struktura
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Program financ.:
Young researchers
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P1-0134
Naslov:
Kemija za trajnostni razvoj
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