Tullimilli Y Gopalakrishna
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Explore the profile of Tullimilli Y Gopalakrishna including associated specialties, affiliations and a list of published articles.
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Recent Articles
1.
Gopalakrishna T, Basavarajappa A, Udaya H, Furukawa K, Wu J, Anand V
Chemistry
. 2025 Mar;
:e202500555.
PMID: 40042212
We report the synthesis and characterization of 48π nonaphyrins, a novel class of planar expanded porphyrinoids exhibiting distinct redox properties compared to their 32π congeners. Single-crystal X-ray diffraction studies reveal...
2.
Dong S, Han Y, Tong Z, Wang J, Zhang Y, Li A, et al.
Chem Sci
. 2024 Jun;
15(24):9087-9095.
PMID: 38903229
Synthesis of conjugated compounds with unusual shape-persistent structures remains a challenge. Herein, utilizing thermodynamically reversible intermolecular Friedel-Crafts alkylation, a dynamic covalent chemistry (DCC) reaction, we facilely synthesized a figure-eight shaped...
3.
Dong S, Han Y, Gopalakrishna T, Chi C
Org Lett
. 2024 Jun;
26(25):5380-5385.
PMID: 38885460
We report the synthesis of the bis(benzooxa)-2,6-anthraquinodimethane () derivative and its bisindeno fused analogue . We found bisindeno fusion on the quinoidal zigzag edge of results in decreased diradical character...
4.
Udaya H, Mishra V, Gopalakrishna T, Anand V
Org Lett
. 2023 Sep;
25(36):6628-6632.
PMID: 37669470
Thiophene-based expanded porphyrinoids undergo a transition from a planar conformation to a twisted conformation upon a systematic increase in the number of thiophene units. Octaphyrin, with 40π electrons, displayed temperature-dependent...
5.
Han Y, Zhu J, Dong S, Eng Y, Tao T, Gopalakrishna T, et al.
Org Lett
. 2023 May;
25(19):3380-3385.
PMID: 37162270
Antiaromatic moieties fused in polycyclic π-conjugated molecules usually exhibit strong localized antiaromaticiy. Herein, we reported the synthesis and properties of a bisazapentalene dication () obtained from two-electron oxidation of neutral...
6.
Udaya H, Basavarajappa A, Gopalakrishna T, Anand V
Chem Commun (Camb)
. 2022 Nov;
58(100):13931-13934.
PMID: 36445723
A 50π decathiophene expanded isophlorin adopts a unique [6+4] conformation and a near-planar conformation depending on the solvent of crystallization and undergoes a reversible two electron oxidation to yield the...
7.
Ni Y, Gopalakrishna T, Wu S, Wu J
Angew Chem Int Ed Engl
. 2020 Feb;
59(19):7414-7418.
PMID: 32052906
A soluble and stable core-modified [38]octaphyrin, MC-T8, containing eight thiophene rings was synthesized by Yamamoto coupling followed by oxidative dehydrogenation. X-ray crystallographic analysis revealed a nearly planar backbone, and the...
8.
Ni Y, Gopalakrishna T, Phan H, Kim T, Herng T, Han Y, et al.
Nat Chem
. 2020 Jan;
12(3):242-248.
PMID: 31959959
Aromaticity is a vital concept that governs the electronic properties of π-conjugated organic molecules and has long been restricted to 2D systems. The aromaticity in 3D π-conjugated molecules has been...
9.
Ren L, Gopalakrishna T, Park I, Han Y, Wu J
Angew Chem Int Ed Engl
. 2019 Nov;
59(6):2230-2234.
PMID: 31692181
We report the template-free synthesis and characterization of a new type of porphyrin/quinoidal-bithiophene-based conjugated macrocycle. X-ray crystallographic analysis of the dimer (2MC) revealed a cyclophane-like geometry with large dihedral angles...
10.
Li Z, Gopalakrishna T, Han Y, Gu Y, Yuan L, Zeng W, et al.
J Am Chem Soc
. 2019 Oct;
141(41):16266-16270.
PMID: 31565929
We report a [6]cyclo--phenylmethine () macrocycle that shows benzene-like electronic properties. Its mesityl derivative, , was isolated in crystalline form. X-ray analysis reveals a symmetry, and the bond lengths of...