Zobrazeno 1 - 10
of 16
pro vyhledávání: '"c—h...π contacts"'
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 3, Pp 241-245 (2023)
The racemic title compound, C34H32OS2, comprises an atropisomeric binaphthyl dithioacetal substituted at the methylene carbon atom with a chiral benzyl alcohol. The two naphthalene ring systems are additionally substituted at the 3,3′-position with
Externí odkaz:
https://doaj.org/article/480cf673a97c445199aa56fb9036f173
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 2, Pp 107-111 (2023)
The closely related title compounds, 1-(dinaphtho[2,1-d:1′,2′-f][1,3]dithiepin-4-yl)-2,2-dimethylpropan-1-ol, C26H24OS2, 1 and 2-(dinaphtho[2,1-d:1′,2′-f][1,3]dithiepin-4-yl)-3,3-dimethylbutan-2-ol, C27H26OS2, 2, both comprise an atropisomeri
Externí odkaz:
https://doaj.org/article/2fcb65b4d49644ff9afe1bbe4a69a5ae
Autor:
Ayalew T. Wodajo, Thi Thanh Van Tran, Hong Hieu Truong, Alexander G. Tskhovrebov, The Duan Le, Victor N. Khrustalev, Tuan Anh Le
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 9, Pp 1454-1457 (2020)
The title compound, C27H24N2O5, is a product of the deamination reaction from aza-14-crown-4 ether containing the γ-piperidone subunit. The title molecule contains a 16-membered macrocycle with the conformation of the C—O—C—C—O—C—C—O
Externí odkaz:
https://doaj.org/article/6651e5e6519f44b3afcaa22c664b2bf1
Publikováno v:
IUCrData, Vol 5, Iss 7, p x200919 (2020)
In the title compound, C12H13NO2, the pyrrolidinone moiety is almost flat while the oxazole ring adopts an envelope conformation with the carbon atom bearing the phenyl substituent as the flap: the angle between the mean planes of the fused heterocyc
Externí odkaz:
https://doaj.org/article/eef7f492ac9e4e5180ba405b3e81c1b2
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 5, Pp 658-663 (2017)
The closely related title compounds, 3-(2,5-dimethoxy-3,4,6-trimethylphenyl)propyl methacrylate, C18H26O4 (I), and 3-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)propyl methacrylate, C16H20O4 (II), are monomers suitable for the preparation of redox
Externí odkaz:
https://doaj.org/article/88ada7d21cf5405b888fd4f95cbe8495
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 7, Pp 816-820 (2015)
The title compound, C16H10, crystallizes with four unique molecules, designated 1–4, in the asymmetric unit of the monoclinic unit cell. None of the molecules is planar, with the benzene rings of molecules 1–4 inclined to one another at angles of
Externí odkaz:
https://doaj.org/article/8344202ea3a14dd7bdd5e0857c76b002
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 6, Pp 582-587 (2015)
The three title compounds form part of a set of important precursor dissacharides which lead to novel therapeutics, in particular for Alzheimer's disease. All three crystallize as poorly diffracting crystals with one independent molecule in the asymm
Externí odkaz:
https://doaj.org/article/8642ce8d0a834ee98988e6719343e3b7
Autor:
T.T.V. Tran, Victor N. Khrustalev, Hong Hieu Truong, T.D. Le, A.T. Wodajo, Tuan Anh Le, Alexander G. Tskhovrebov
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 9, Pp 1454-1457 (2020)
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 9, Pp 1454-1457 (2020)
The new title aza-crown ether has been synthesized by a deamination reaction and its crystal structure has been determined at 120 K. The title molecule contains a 16-membered macrocycle with the conformation of the C—O—C—C—O—C—C—O—C
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 1, Pp 35-37 (2015)
The title compound, C21H16N2O, has an almost planar (r.m.s. deviation = 0.0074 Å) 1,2-dibenzylidenehydrazine backbone with an approximately orthogonal almost planar (r.m.s. deviation = 0.0368 Å) phenylethanone substituent on one of the imine C atom
Externí odkaz:
https://doaj.org/article/da5b60194bcc4eecafcde2d4fbbd58d7
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 12, Pp o1264-o1264 (2014)
In the title compound, C11H14N2O2S, the thiazolidine ring has an envelope conformation with the C atom bonded to the carboxylic acid group at the flap. Two C atoms of the thiazolidine ring adopt S conformations. In the crystal, O—H...N hydrogen bon
Externí odkaz:
https://doaj.org/article/3b73b0a2878140b1b4b0fbbccd3a3d25