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(tpy)Pt] 2+ , [42][43] ainsi que de récents travaux sur la coordination de cette brique à des thiolates aromatiques, [44] permettent l'analyse des données que nous avons obtenues. Remarquons tout d'abord qu'il n'existe pas de différences significatives entre les trois composés en ce qui concerne l'absorption dans les conditions expérimentales adoptées. Les trois spectres adoptent un comportement très classique pour ce type de composés ,
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du triflate d'argent (277 mg, 1.08 mmol) est ajouté à une solution de [PtCl 2 (C 2 H 5 CN) 2 ] 193mg (0,182mmol) dans 3,5 mL de dichlorométhane et 90 ?L (1,28 mmol) de propanenitrile. La suspension est agitée vigoureusement à température ambiante pendant 5 heures. Le précipité d'AgCl est filtré de la solution jaune pâle, Le filtrat est concentré sous vide et de l'Et 2 O est ajouté progressivement ce qui conduit à la formation d'un précipité blanc ,
tétratrifluorométhanesulfonato tétrakis-?-(5-méthoxy-1,3-bis(pyridin-3- ylethynyl)benzene)-bis-platinum(II) (1) Dans un schlenk sous atmosphère d'argon, pp.126-126 ,
tetratrifluoromethanesulfonato tétrakis-?-(5-nitro-1,3-bis(pyridin-3- ylethynyl)aniline)-bis-platinum(II) (2c) La même procédure que pour la cage 1 en ,
tétratrifluorométhanesulfonato tétrakis-?-(5-trifluorométhane-1,3- bis(pyridin-3-ylethynyl)aniline)-bis-platinum(II) (2d) ,
On obtient un solide vert avec un rendement de 64%, p.77 ,
Le mélange est ajouté sur une solution de [Pt(ppy)(Hppy)Cl] (216 mg, 40 mmol) dans du CH 2 Cl ,
Apres agitation à température ambiante pendant 90 min, une solution trouble rougeorangée est obtenue Le solvant est évaporé sous vide et le résidu est extrait avec du CH 2 Cl 2 (30ml) et séché avec du MgSO 4 et filtré. La solution est concentrée sous vide (4ml) et un ajout progressif d'Et 2 O (20 mL) conduit à la précipitation d'un solide rouge, Celui-ci est filtré, lavé à l'Et 2 O ((2 x 3 ml) et séché sous vide pour aboutir à 3 ,
30 (m, 1 H, bdt), 6.99 (m, 2 H, Ph4, Ph5), 6.88 (m, 1 H, py5), (m, 2 H, bdt), 2.77 (m, pp.55-55 ,
mL d'une solution incolore de la cage 1 à 9 mmol.L -1 dans du CD 3 CN est traité avec 0,5 ml d'une solution verte de 7 à 18 mmol.L -1 dans du CD 3 CN. On observe un précipité vert qui est redilué par ajout de 0,1 mL de DMSO-d6. Le suivi RMN est effectué immédiatement après ,
CpRu(MeCN) 3 ]PF 6 est acheté chez sigma Aldrich ,
56 (t; J=5,6 Hz ; 1H ; Hc), Hb Cp, vol.5, issue.5, p.4104 ,
10 a été suivie en partant du (pR, R)-9. (pR, R)-10 est obtenu sous la forme d'un solide blanc, pp.109-73 ,
56 (t; J=5,6 Hz ; 1H ; Hc), Hb Cp, vol.5, issue.5, p.4104 ,
10 a été suivie en partant du (pS, S)-9. (pS, S)-10 est obtenu sous la forme d'un solide blanc, pp.111-74 ,
56 (t; J=5,6 Hz ; 1H ; Hc), Hb Cp, vol.5, issue.5, p.4104 ,
54 (td ; J=6,0 ; 1,2 Hz ; 2H, p.4541 ,
54 (bs ; 1H (s ; 15H ; He), p.565 ,
15 a été suivie en partant de l'organométalloligand (pR, R)-10. (pR, R)-15 est obtenu sous la forme d'un solide rouge stable a l'air (34 mg, pp.33-63 ,
54 (bs ; 1H (s ; 15H ; He), CH3) ppm, p.565 ,
15 a été suivie en partant de l'organométalloligand (pS, S)-10. (pS, S)-15 est obtenu sous la forme d'un solide rouge stable a l'air (43 mg ,
54 (bs ; 1H (s ; 15H ; He), p.565 ,
La suspension devient immédiatement rouge-orangée Ajout de 2mL de nitrométhane pour solubiliser le tout et le milieu réactionnel est laissé sous agitation pendant 30 min ,
s ; 6H, pp.5546-5558 ,
(? 5 -C 6 H 4 SCH(OH)CH 3 ,
[tBu 3 -(tpy)Pt-[CpRu(? 5 -C 6 H 4 SCH(OH)CH 3, p.16 ,
16 a été suivie en partant de l'organométalloligand (pR, R)-10. (pR, R)-16 est obtenu sous la forme d'un solide orange stable a l'air (78 mg, pp.64-64 ,
s ; 6H, pp.5546-5558 ,
16 a été suivie en partant de l'organométalloligand (pS, S)-10. (pS, S)-16 est obtenu sous la forme d'un solide orange stable a l'air, p.63 ,
55 (s ; 6H ), pp.46-58 ,
Encapsulation of a Metal Complex within a Self-Assembled Nanocage: Synergy Effects, Molecular Structures, and Density Functional Theory Calculations, Inorganic Chemistry, vol.53, issue.9, pp.4287-4294, 2014. ,
DOI : 10.1021/ic402539x
URL : https://hal.archives-ouvertes.fr/hal-01662102
Les études photophysiques à l'état solide ont été effectuées en plaçant l'échantillon solide dans un tube de quartz lui-même ,
Une solution dégazée de [Ru(bpy) 3 ]Cl 2 dans l'acétonitrile (? lum =0.062, excitation à 436 nm) a ,
Highly Phosphorescent Crystals of Square-Planar Platinum Complexes with Chiral Organometallic Linkers: Homochiral versus Heterochiral Arrangements, Induced Circular Dichroism, and TD-DFT Calculations, Highly Phosphorescent Crystals of Square-Planar Platinum Complexes with Chiral Organometallic Linkers: Homochiral versus Heterochiral Arrangements, Induced Circular Dichroism, and TD-DFT Calculations» Chem, p.8032, 2016. ,
DOI : 10.1002/chem.200903046
URL : https://hal.archives-ouvertes.fr/hal-01662095
Inside Cover: Highly Phosphorescent Crystals of Square-Planar Platinum Complexes with Chiral Organometallic Linkers: Homochiral versus Heterochiral Arrangements, Induced Circular Dichroism, and TD-DFT Calculations (Chem. Eur. J. 24/2016), Chemistry - A European Journal, vol.22, issue.24, p.7990, 2016. ,
DOI : 10.1002/chem.201602070