Syntheses, structures, and properties of vanadium, cobalt, and nickel compounds with 2-mercaptophenol

Kang, Byeong‐Cheol; Weng, Linghong; Liu, Hanqin; Wu, D. S.; Huang, Ling; Lu, Cenzhong; Cai, Jinghua; Chen, Xue-Tai; Lu, Jin-You

doi:10.1021/ic00349a012

Cited by 56 publications

(26 citation statements)

References 3 publications

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“…These results also clearly indicate [66]. Moreover, from figure 9, the different in fluorescence intensities of the complexes with different substituent"s like SO 4 , Cl, NO 3 , CO 3 and CH 3 COO, can be explain due to bigger conformational rigidity for a 3D supramolecular network, as well as hydrogen bonds and π….π packing interactions [67].…”

Section: Fluorescence Studiesmentioning

confidence: 60%

A new coumarin based dual functional chemosensor for colorimetric detection of Fe3+ and fluorescence turn-on response of Zn2+

Nayan

Dutta

Mondal

et al. 2016

Sensors and Actuators B: Chemical

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Section: Fluorescence Studiesmentioning

confidence: 60%

A new coumarin based dual functional chemosensor for colorimetric detection of Fe3+ and fluorescence turn-on response of Zn2+

Nayan

Dutta

Mondal

et al. 2016

Sensors and Actuators B: Chemical

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“…and ÐCu-O-N =116.5°(av.) show that the bonding orbital of the sulfur atom is mainly of p character, whilethat of oxygen atom is of sp 2 character, almost the same as that in mpH 2 -ligated complexes [11]. …”

Section: Discussionmentioning

confidence: 73%

Crystal structure of cis-bis[1-hydroxypyridine- 2(1H)-thionato-S,O]copper(II), Cu(C5H4NOS)2

Niu¹,

Lin²,

Min³

et al. 2011

Zeitschrift Für Kristallographie - New Crystal Structures

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C 10 H 8 CuN 2 O 2 S 2 ,monoclinic, P12 1 /n1(no. 14), a =8.7845 (7) Source of materialAp rocessf or them anufacture of 2-mercaptopyridine-1-oxide (Hmpo) and copper salts thereof, comprising the steps of oxidizing a2 -acetylaminopyridine with hydrogen peroxide in an inert solvent to give a2-acetamidopyridine-1-oxide, cleaving the acetyl group with mineral acid to give a2 -aminopyridine-1-oxide, diazotizing the 2-aminopyridine-1-oxide and treating the diazonium salt with hydrochloric acid to give a2-chloropridine-1-oxide, treating the latter with as ulfhydryl-donor to give a2 -mercaptopyridine-1-oxide was applied. As olution of CuCl 2 × 2H 2 O(171 mg, 1mmol) in water (5 mL) was dropped slowly into as olution of Hmpo (254 mg,2m mol) in EtOH (15 mL). The mixed solution was stirred for 2ha t4 0°Ca nd then cooled to room temperature to give brown microcrystals, which were collected by filtration, washed successively with H 2 Oand EtOH, anddried in vacuo.Brown squarecrystals suitable for X-ray analysis were obtained by recrystallization of the precipitate from dichloromethane and ethanol (1:1). DiscussionAnumber of structures have been reported for metal complexes of 2-substituted pyridine N-oxides [1][2][3]. These structures show that each ligand chelates to the metal atom via oxygen and the 2-substituted function donor to yield afive-or six-membered complex. We have been interested in the study of metal complexes of 2-mercaptopyridine-1-oxide due to the fact that these complexes have been successfully used as bactericidaland antifungal agents [4][5][6]. The copper atomsinthe Cu(mpo) 2 complexare square-planar coordinatedincis configuration. In theliterature [7],the molecule adopts a trans-square-planar configuration, with the Cu atom sitedatacrystallographiccentreofinversion.In the title crystal structure, the Cu1 atom is coordinated by two sulfur atoms(d(Cu1-S1) =2.

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“…The angles are O1-Ni1-S1 =89.68(3)°and O1-Ni1-S1 i =90.32(3)°, showing smaller deviation from as quare donor atom arrangement than in [Ni(6Mmpo) 2 ](89.2(3)°and 89.1(4)°) [9]. The angles Ni1-S1-C5 =95.68(5)°and Ni1-O1-N1 =116.91 (8)°show that the bonding orbital of the sulfur atom is mainly of pcharacter, while that of oxygen atom is of sp 2 character, almost the same as thatinmpH 2 -ligated (mpH 2 =2-mercaptophenol complexes [11]. …”

Section: Discussionmentioning

confidence: 79%

Crystal structure of trans-bis[5-chloro-1-hydroxypyridine-2(1H)- thionato-κ2S,O] nickel (II), C10H6Cl2N2NiO2S2

Niu¹,

Lin²,

Ma³

2014

Zeitschrift Für Kristallographie - New Crystal Structures

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C 10 H 6 Cl 2 N 2 NiO 2 S 2 ,monoclinic, P2 1 /c (no. 14), a =9.8286(6) Å, b =5.8099(3) Å, c =12.4099(7)Å, b=117.141(4)°, V =630.6Å 3 ,Z=2,R gt (F) =0.0209, Source of materialAprocessfor themanufacture of 5-chloro-2-mercaotopyridine-1-oxide (Hcmpo)and nickel salts thereof, comprising the steps of oxidizing a5-chloro-2-acetylaminopyridine with hydrogen peroxide in an inert solvent to give a5-chloro-2-acetamidopyridine-1-oxide, cleaving the acetyl group with mineral acid to give a5-chloro-2-aminopyridine-1-oxide,d iazotizing the 5-chloro-2-aminopyridine-1-oxide and treating the diazonium salt with hydrochloric acid to give a2,5-dichloropridine-1-oxide, treating the latter with as ulfhydryl-donor to give a Hcmpo. . The mean C-S bond length (1.713 Å) shows partial double bond character, it is shorter than the normalcovalent bond distance of 1.81(2) Å, foraC-S single bond. Ni(cmpo) 2 is nearly planar with the planes involving the chelate rings, Ni1-O1-N1-C5-S1 and Ni1-O1 i -N1 i -C5 i -S1 i ,having an angle of 0.00(0.06)°. The ring carbons are the atomsw ith the greatestd eviationf rom the two planes indicating that the nickel(II) center and donor atomsare quite planar. The dihedral angleb etweenN i1-O1-N1-C5-S1 and pyridiner ings,t wo pyridine rings are 1.76(0.08)°and 0.00(0.10)°, respectively. The angles are O1-Ni1-S1 =89.68(3)°and O1-Ni1-S1 i =90.32(3)°, showing smaller deviation from as quare donor atom arrangement than in [Ni(6Mmpo) 2 ](89.2(3)°and 89.1(4)°) [9]. The angles Ni1-S1-C5 =95.68(5)°and Ni1-O1-N1 =116.91(8)°show that the bonding orbital of the sulfur atom is mainly of pcharacter, while that of oxygen atom is of sp 2 character, almost the same as thatinmpH 2 -ligated (mpH 2 =2-mercaptophenol complexes [11].

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Syntheses, structures, and properties of vanadium, cobalt, and nickel compounds with 2-mercaptophenol

Cited by 56 publications

References 3 publications

A new coumarin based dual functional chemosensor for colorimetric detection of Fe3+ and fluorescence turn-on response of Zn2+

A new coumarin based dual functional chemosensor for colorimetric detection of Fe3+ and fluorescence turn-on response of Zn2+

Crystal structure of cis-bis[1-hydroxypyridine- 2(1H)-thionato-S,O]copper(II), Cu(C5H4NOS)2

Crystal structure of trans-bis[5-chloro-1-hydroxypyridine-2(1H)- thionato-κ2S,O] nickel (II), C10H6Cl2N2NiO2S2

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