Crystal structure of 5′′-benzylidene-1′-methyl-4′-phenyltrispiro[acenaphthylene-1,2′-pyrrolidine-3′,1′′-cyclohexane-3′′,2′′′-[1,3]dioxane]-2,6′′-dione

Autor: Kuppan Chandralekha, Deivasigamani Gavaskar, Adukamparai Rajukrishnan Sureshbabu, Srinivasakannan Lakshmi

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 3, Pp 387-390 (2016)

In the title compound, C36H31NO4, two spiro links connect the methyl-substituted pyrrolidine ring to the acenaphthylene and cyclohexanone rings. The cyclohexanone ring is further connected to the dioxalane ring by a third spiro junction. The five-mem

Externí odkaz: https://doaj.org/article/ef5bb83c1b6f4dff82d859050c9b6f46

5′-Benzylidene-1′′-methyl-4′′-phenyltrispiro[1,3-dioxolane-2,1′-cyclohexane-3′,3′′-pyrrolidine-2′′,3′′′-indole]-4′,2′′′-dione

Autor: Kuppan Chandralekha, Deivasigamani Gavaskar, Adukamparai Rajukrishnan Sureshbabu, Srinivasakannan Lakshmi

Publikováno v: IUCrData, Vol 2, Iss 5, p x170639 (2017)

In the title compound, C32H30N2O4, two spiro links connect the methyl-substituted pyrrolidine ring to the oxindole and cyclohexanone rings. The cyclohexanone ring is further connected to the dioxalane ring by a third spiro junction. Both the pyrrolid

Externí odkaz: https://doaj.org/article/cc7d38067cba4caba30acac49e791e74

Crystal structure of 1-ferrocenyl-2-(4-methylbenzoyl)spiro[11H-pyrrolidizine-3,11′-indeno[1,2-b]quinoxaline]

Autor: Kuppan Chandralekha, Deivasigamani Gavaskar, Adukamparai Rajukrishnan Sureshbabu, Srinivasakannan Lakshmi

Publikováno v: Acta Crystallographica Section E, Vol 70, Iss 9, Pp 124-126 (2014)

In the title compound, [Fe(C5H5)(C34H28N3O)], the four-fused-rings system of the 11H-indeno[1,2-b]quinoxaline unit is approximately planar [maximum deviation = 0.167 (4) Å] and forms a dihedral angle of 37.25 (6)° with the plane of the benzene ring

Externí odkaz: https://doaj.org/article/2f881376cc034fdb9a4b7d4ebc6f791b

2-(4-Bromobenzoyl)-1-ferrocenylspiro[11H-pyrrolidizine-3,11′-indeno[1,2-b]quinoxaline]

Autor: Sivasubramanian Suhitha, Krishnaswamy Gunasekaran, Adukamparai Rajukrishnan Sureshbabu, Raghavachary Raghunathan, Devadasan Velmurugan

Publikováno v: Acta Crystallographica Section E, Vol 69, Iss 9, Pp m512-m513 (2013)

In the title compound, [Fe(C5H5)(C33H25BrN3O)], the fused four-ring system, 11H-indeno[1,2-b]quinoxaline is essentially planar, with a maximum deviation of 0.087 (3) Å from the least-squares plane of the attached benzene ring. The pyrrolidine rings

Externí odkaz: https://doaj.org/article/2b578e073e6641f78f48ee47482ddebd

Covalent chemical functionalization enhances the biodegradation of graphene oxide

Autor: Julie Russier, Kostas Kostarelos, Adukamparai Rajukrishnan Sureshbabu, Alberto Bianco, Cécilia Ménard-Moyon, Rajendra Kurapati, Fanny Bonachera

Publikováno v: 2D Materials
2D Materials, IOP Publishing, 2018, 5 (1), pp.015020. ⟨10.1088/2053-1583/aa8f0a⟩
Kurapati, R, Bonachera, F, Russier, J, Sureshbabu, A R, Ménard-Moyon, C, Kostarelos, K & Bianco, A 2018, ' Covalent chemical functionalization enhances the biodegradation of graphene oxide ', 2D Materials, vol. 5, no. 1, 015020 . https://doi.org/10.1088/2053-1583/aa8f0a
2D Materials, 2018, 5 (1), pp.015020. ⟨10.1088/2053-1583/aa8f0a⟩

Biodegradation of the graphene-based materials is an emerging issue due to their estimated widespread usage in different industries. Indeed, a few concerns have been raised about their biopersistence. Here, we propose the design of surface-functional

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c14f855aba4029c130d9e462b811ceac
https://hal.archives-ouvertes.fr/hal-02328008