A Journal of Postdoctoral Research.
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Title : Dr.
First Name : AYAN
Last Name : MAITY
University/Institution : MIT
Phone # : 4407895006
Email ID : amaity@mit.edu
City : Cambridge
Country : United States
State : Massachusetts
Zipcode : 02472
Department : Chemistry
Company Name :
Area of Research
Area of Expertise
Inorganic/organometallic synthesis, catalysis, photo-chemistry, spectroscopy, cancer biology
Brief Description of Research Interest :

My current research focuses on investigation of distorted low symmetric phosphorous compounds. Imposed geometric distortion on the otherwise trigonal phosphorous center reduces Lewis basicity and engenders Lewis acidity on the P(III) center—thereby garners a fine balance between electrophilicity and nucleophilicity. This novel ‘biphilic’ nature of these organophosphorus compounds enables them to actively participate in the bond making and bond breaking processes by catalytic cycling of PIII–PV redox couple.

My other research interest includes understanding the extent to which steric and electronic parameters of the ligands controls the emission behavior of cyclometalated third row transition metal complexes. Highly luminescent iridium(III) and gold(III) complexes are prime candidates for phosphorescent organic light emitting diodes (PhOLEDs) and biological tagging. In this regard, we have developed a method to connect 2-deoxy-D-ribose to luminescent cyclometalated Ir(III) by using ‘click’-reaction. Biological studies with KB3-1 cells suggested that these metal loaded nucleosides are transported into the cells through nucleoside transporters present in the cell membrane. I am also interested in developing new synthetic protocols that will reliably deliver useful opto-electronic materials containing metal-carbon bonds. As our initial attempt, we have developed new synthetic techniques to generate metal-carbon (metal: Ir(III) and Au(III)) s-bonds using transmetalation methodology and Pd-catalysis. 

Representative Publications :

Na, H.; Maity, A.; Morshed, R. and Teets, T. S. “Bis-Cyclometalated Iridium Complexes with Chelating Dicarbene Ancillary Ligands.” Organometallics 2017, (ASAP).

Na, H.; Maity, A. and Teets, T. S. “Bis-cyclometalated iridium complexes with electronically modified aryl isocyanide ancillary ligands.”  Dalton.Trans. 2017, (ASAP).

Maya, R.;Maity, A. and Teets, T. S. “Fluorination of Cyclometalated Iridium β-Ketoiminate and β-Diketiminate Complexes: Extreme Redox Tuning and Ligand-Centered Excited States.” Organometallics 2016, 35, 2890–2899. (DOI: 10.1021/acs.organomet.6b00332)

Na, H.; Maity, A. and Teets, T. S. “Post-Synthetic Systematic Electronic Tuning of Organoplatinum Photosensitizers Via Secondary Coordination Sphere Interactions.” 2016, 35, 2267–2274. (DOI: 10.1021/acs.organomet.6b00453)

Maity, A. and Teets T. S. “Main Group Lewis Acid-Mediated Transformations of Transition-Metal Hydride Complexes.” Chem. Rev. 2016, 116, 8873–8911.(DOI: 10.1021/acs.chemrev.6b00034)

Maity, A.; Linh, Q. L.; Zhuan. Z.; Bao, J.and Teets, T. S. “Steric and Electronic Influence of Aryl Isocyanides on the Properties of Iridium(III) Cyclometalates.” Inorg. Chem. 2016, 55, 2299–2308. (DOI:10.1021/acs.inorgchem.5b02691)

Radwan, Y; Maity, A and Teets, T. S.“Manipulating the Excited States of Cyclometalated Iridium Complexes with β-Ketoiminate and β-Diketiminate Ligands.” Inorg. Chem. 2015, 54, 7122–7131. (DOI: 10.1021/acs.inorgchem.5b01401)

Choi, J.-S.; Maity, A.; Gray, T. and Berdis,A. J. “A Metal-Containing Nucleoside that Possesses both Therapeutic and Diagnostic Activity against Cancer.” J. Biol. Chem. 2015, 290, 9714–9726. (DOI: 10.1074/jbc.M114.620294)

Maity, A.; Sulicz, A. N.; Deligonul, N.; Zeller, M.; Hunter, A. D. and Gray, T. G. “Suzuki–Miyaura coupling of arylboronic acids to gold(iii).” Chem. Sci. 2015, 6, 981–986. (DOI:10.1039/C4SC02148G)

Maity,A.; Stanek, R.J.; Anderson, B. L.; Zeller, M.; Hunter, A. D.; Moore, C. E.; Rheingold, A. L.and Gray, T. G. “Fluoride Complexes of Cyclometalated Iridium(III).” Organometallics 2015, 34, 109–120. (DOI: 10.1021/om5009555)

Maity, A.; Choi, J.-S.; Teets, T. S.; Deligonul, N.; Berdis, A. J. and Gray, T. G. “Cyclometalated Iridium(III) Complexes with Deoxy ribose Substituents.” Chem. – A Eur. J.2013, 19, 15924–15932. (DOI: 10.1002/chem.201301776)

Maity, A.; Anderson, B. L.;Deligonul, N. and Gray, T. G. “Room-temperature synthesis of cyclometalated iridium(iii) complexes: kinetic isomers and reactive functionalities.” Chem.Sci. 2013, 4, 1175–1181.(DOI: 10.1039/C2SC21831C)

Bhyrappa,P.; Velkannan, V. and Maity, A. “Regioselective syntheses of 2,3-disubstituted-12-formyl-5,10,15,20-tetraphenylporphyrins and their metal complexes.” J. Porphyrins Phthalocyanines 2010, 14, 459–467. (DOI: 10.1142/S1088424610002252)


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