Found: 78
Select item for more details and to access through your institution.
Synthesis of 5‐(arylmethylideneamino)‐4‐(1H‐benzo[d]imidazol‐1‐yl)pyrimidine hybrids: synthetic sequence and the molecular and supramolecular structures of two intermediates and three final products.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2023, v. 79, n. 6, p. 227, doi. 10.1107/S2053229623003728
- By:
- Publication type:
- Article
Dinuclear Azide-Bridged Copper(II) Polymer With Azido···π(pyridiyl) Interaction: Synthesis, Crystal Structure and Hirshfeld Surface Analysis.
- Published in:
- Journal of Chemical Crystallography, 2023, v. 53, n. 2, p. 209, doi. 10.1007/s10870-022-00960-2
- By:
- Publication type:
- Article
(E,E)‐1,1′‐[1,2‐Bis(4‐chlorophenyl)ethane‐1,2‐diyl]bis(phenyldiazene) revisited: threefold configurational disorder of (S,S), (R,R) and (S,R) isomers, a detailed critique.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2023, v. 79, n. 3, p. 77, doi. 10.1107/S2053229623001262
- By:
- Publication type:
- Article
Conversion of 2‐methyl‐4‐styrylquinolines into 2,4‐distyrylquinolines: synthesis, and spectroscopic and structural characterization of five examples.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2023, v. 79, n. 3, p. 94, doi. 10.1107/S2053229623001432
- By:
- Publication type:
- Article
A three‐step pathway from (2‐aminophenyl)chalcones to novel styrylquinoline–chalcone hybrids: synthesis and spectroscopic and structural characterization of three examples.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2023, v. 79, n. 1, p. 3, doi. 10.1107/S2053229622011263
- By:
- Publication type:
- Article
Synthesis, and spectroscopic and structural characterization of three new styrylquinoline–benzimidazole hybrids.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2022, v. 78, n. 11, p. 671, doi. 10.1107/S2053229622010063
- By:
- Publication type:
- Article
Synthesis and spectroscopic and structural characterization of three new 2‐methyl‐4‐styrylquinolines formed using Friedländer reactions between (2‐aminophenyl)chalcones and acetone.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2022, v. 78, n. 10, p. 524, doi. 10.1107/S2053229622008634
- By:
- Publication type:
- Article
Synthesis and spectroscopic and structural characterization of spiro[indoline‐3,3′‐indolizine]s formed by 1,3‐dipolar cycloadditions between isatins, pipecolic acid and an electron‐deficient alkene.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2021, v. 77, n. 9, p. 496, doi. 10.1107/S2053229621007142
- By:
- Publication type:
- Article
4‐Styrylquinolines from cyclocondensation reactions between (2‐aminophenyl)chalcones and 1,3‐diketones: crystal structures and regiochemistry.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2020, v. 76, n. 9, p. 883, doi. 10.1107/S2053229620010803
- By:
- Publication type:
- Article
Regio‐ and stereospecific assembly of dispiro[indoline‐3,3′‐pyrrolizine‐1′,5′′‐thiazolidines] from simple precursors using a one‐pot procedure: synthesis, spectroscopic and structural characterization, and a proposed mechanism of formation
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2020, v. 76, n. 8, p. 779, doi. 10.1107/S2053229620009791
- By:
- Publication type:
- Article
Synthesis of N‐substituted 3‐(2‐aryl‐2‐oxoethyl)‐3‐hydroxyindolin‐2‐ones and their conversion to N‐substituted (E)‐3‐(2‐aryl‐2‐oxoethylidene)indolin‐2‐ones: synthetic sequence, spectroscopic characterization and structures of four 3‐hydroxy compounds and five oxoethylidene products
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2020, v. 76, n. 5, p. 433, doi. 10.1107/S2053229620004143
- By:
- Publication type:
- Article
Conversion of 3‐amino‐4‐arylamino‐1H‐isochromen‐1‐ones to 1‐arylisochromeno[3,4‐d][1,2,3]triazol‐5(1H)‐ones: synthesis, spectroscopic characterization and the structures of four products and one ring‐opened derivative
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2020, v. 76, n. 5, p. 446, doi. 10.1107/S2053229620003757
- By:
- Publication type:
- Article
A concise and efficient synthesis of amino‐substituted (1H‐benzo[d]imidazol‐1‐yl)pyrimidine hybrids: synthetic sequence and the molecular and supramolecular structures of six examples.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2019, v. 75, n. 10, p. 1405, doi. 10.1107/S2053229619012087
- By:
- Publication type:
- Article
A concise and efficient concurrent synthesis of 6,11‐dihydrodibenzo[b,e]azepines and 5,6,11,12‐tetrahydrodibenzo[b,f]azocines and their conversion to 4‐oxo‐8,13‐dihydro‐4H‐benzo[5,6]azepino[3,2,1‐ij]quinoline‐5‐carboxylates and N‐acetyl‐5,6,11,12‐tetrahydrodibenzo[b,f]azocines: synthetic sequence, spectroscopic characterization and the structures of two products
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2019, v. 75, n. 6, p. 650, doi. 10.1107/S2053229619005746
- By:
- Publication type:
- Article
Monoclinic and orthorhombic forms of (RS)‐(E)‐4‐[2‐(4‐chlorobenzylidene)hydrazinyl]‐6,11‐dimethyl‐6,11‐dihydro‐5H‐benzo[b]pyrimido[5,4‐f]azepine: synthesis, concomitant polymorphism and supramolecular assembly mediated by C—H...N, C—H...π(arene) and C—Cl...π(arene) interactions
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2019, v. 75, n. 6, p. 686, doi. 10.1107/S205322961900617X
- By:
- Publication type:
- Article
Conversion of substituted 5‐aryloxypyrazolecarbaldehydes into reduced 3,4′‐bipyrazoles: synthesis and characterization, and the structures of four precursors and two products, and their supramolecular assembly in zero, one and two dimensions
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2019, v. 75, n. 6, p. 768, doi. 10.1107/S2053229619006752
- By:
- Publication type:
- Article
A concise and versatile route to tetrahydro‐1‐benzazepines carrying [a]‐fused heterocyclic units: synthetic sequence and spectroscopic characterization, and the molecular and supramolecular structures of one intermediate and two products
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2019, v. 75, n. 2, p. 168, doi. 10.1107/S2053229619000871
- By:
- Publication type:
- Article
Chloro–formyl steroids as precursors for hybrid heterosteroids: synthesis, spectroscopic characterization, and molecular and supramolecular structures.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2018, v. 74, n. 12, p. 1667, doi. 10.1107/S2053229618015887
- By:
- Publication type:
- Article
Eight Schiff bases derived from various salicylaldehydes: phenol–imine and keto–amine forms, conformational disorder, and supramolecular assembly in one and two dimensions.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2018, v. 74, n. 10, p. 1094, doi. 10.1107/S2053229618012287
- By:
- Publication type:
- Article
A concise synthesis of a highly substituted 6‐(1H‐benzimidazol‐1‐yl)‐5‐nitrosopyrimidin‐2‐amine: synthetic sequence and the molecular and supramolecular structures of one product and two intermediates.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2018, v. 74, n. 6, p. 696, doi. 10.1107/S2053229618007015
- By:
- Publication type:
- Article
A concise, efficient and versatile synthesis of amino‐substituted benzo[<italic>b</italic>]pyrimido[5,4‐<italic>f</italic>]azepines: synthesis and spectroscopic characterization, together with the molecular and supramolecular structures of three products and one intermediate
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2018, v. 74, n. 3, p. 312, doi. 10.1107/S2053229618002176
- By:
- Publication type:
- Article
A versatile synthesis of cyclic dipeptides using the stepwise construction of the piperazine‐2,5‐dione ring from simple precursors: synthetic sequence and the structure of a representative product, (3<italic>RS</italic>)‐4‐(2‐allyl‐3,5‐dimethylphenyl)‐1‐benzyl‐3‐phenylpiperazine‐2,5‐dione
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2018, v. 74, n. 2, p. 159, doi. 10.1107/S2053229618000037
- By:
- Publication type:
- Article
Synthesis and structures of six closely related <italic>N</italic>‐[3‐(2‐chlorobenzoyl)‐5‐ethylthiophen‐2‐yl]arylamides, together with an isolated reaction intermediate: order <italic>versus</italic> disorder, molecular conformations and hydrogen bonding in zero, one and two dimensions
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2018, v. 74, n. 2, p. 203, doi. 10.1107/S2053229618000657
- By:
- Publication type:
- Article
Four closely related N-(3-benzoyl-4,5,6,7-tetrahydrobenzo[ b]thiophen-2-yl)benzamides: order versus disorder, and similar molecular conformations but different modes of supramolecular aggregation, with a new disordered refinement of 2-amino-3-benzoyl-4,5,6,7-tetrahydrobenzo[ b]thiophene
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2018, v. 74, n. 1, p. 45, doi. 10.1107/S2053229617017326
- By:
- Publication type:
- Article
Design, synthesis and crystallographic study of novel indole-based cyano derivatives as key building blocks for heteropolycyclic compounds of major complexity.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2017, v. 73, n. 12, p. 1040, doi. 10.1107/S2053229617015789
- By:
- Publication type:
- Article
Synthesis of spiro[indoline-3,3′-pyrrolizines] by 1,3-dipolar reactions between isatins, l-proline and electron-deficient alkenes.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2017, v. 73, n. 12, p. 1109, doi. 10.1107/S2053229617016072
- By:
- Publication type:
- Article
Cation tautomerism, twinning and disorder in the triclinic and monoclinic forms of 4-amino-5-chloro-2,6-dimethylpyrimidinium 5-chloro-2-hydroxybenzoate and a new disordered refinement of 2-amino-4,6-dimethoxypyrimidin-1-ium thiophene-2-carboxylate.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2017, v. 73, n. 11, p. 862, doi. 10.1107/S2053229617013481
- By:
- Publication type:
- Article
Reduced 3,4'-bipyrazoles from a simple pyrazole precursor: synthetic sequence, molecular structures and supramolecular assembly.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2017, v. 73, n. 10, p. 1, doi. 10.1107/S205322961701302X
- By:
- Publication type:
- Article
Three zinc(II) and cadmium(II) complexes containing 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole and polynitrile ligands: synthesis, molecular and supramolecular structures, and photoluminescence properties.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2017, v. 73, n. 9, p. 674, doi. 10.1107/S2053229617011391
- By:
- Publication type:
- Article
Three closely related 4,5,6,7-tetrahydro-1 H-pyrazolo[4,3- c]pyridines: synthesis, molecular conformations and hydrogen bonding in zero, one and two dimensions.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2017, v. 73, n. 3, p. 298, doi. 10.1107/S205322961700273X
- By:
- Publication type:
- Article
Three closely related 1-(naphthalen-2-yl)prop-2-en-1-ones: pseudosymmetry, disorder and supramoleular assembly mediated by C-H...π and C-Br...π interactions.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2017, v. 73, n. 2, p. 115, doi. 10.1107/S205322961700105X
- By:
- Publication type:
- Article
Three tetracyclic dibenzoazepine derivatives exhibiting different molecular conformations, different patterns of intermolecular hydrogen bonding and different modes of supramolecular aggregation.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2017, v. 73, n. 1, p. 28, doi. 10.1107/S2053229616018143
- By:
- Publication type:
- Article
Different molecular conformations co-exist in each of three 2-aryl- N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1 H-pyrazol-4-yl)acetamides: hydrogen bonding in zero, one and two dimensions.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2016, v. 72, n. 9, p. 664, doi. 10.1107/S2053229616012870
- By:
- Publication type:
- Article
Reactions between arylhydrazinium chlorides and 2-chloroquinoline-3-carbaldehydes: molecular and supramolecular structures of a hydrazone, a 4,9-dihydro-1 H-pyrazolo[3,4- b]quinoline and two 1 H-pyrazolo[3,4- b]quinolines.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2016, v. 72, n. 9, p. 670, doi. 10.1107/S205322961601278X
- By:
- Publication type:
- Article
Different acid-base behaviour of a pyrazole and an isoxazole with organic acids: crystal and molecular structures of the salt 3-(4-fluorophenyl)-1H-pyrazolium 2,4,6-trinitrophenolate and of the cocrystal 4-amino-N-(3,4-dimethyl-1,2-oxazol-5-yl)benzenesulfonamide-3,5-dinitrobenzoic acid (1/1).
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2016, v. 72, n. 8, p. 1, doi. 10.1107/S2053229616010494
- By:
- Publication type:
- Article
Unexpected ring-closure products derived from 3-(2-allylanilino)-3-phenylacrylate esters: crystal and molecular structures of 3-acetyl-8-allyl-6-methyl-2-phenylquinolin-4-yl acetate and (2RS)-2,8-dimethyl-4-phenyl-1,2-dihydro-6H-pyrrolo[3,2,1 -ij]quinolin-6-one.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2016, v. 72, n. 8, p. 1, doi. 10.1107/S2053229616011062
- By:
- Publication type:
- Article
Diastereoisomeric forms of 11-ethyl-6,11-dihydro-5H-dibenzo[b,e]azepine-6-carboxamide: syntheses and the molecular and supramolecular structure of the minor form (6RS,11RS)-11-ethyl-6,11-dihydro-5H-dibenzo[b,e]azepine-6-carboxamide.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2016, v. 72, n. 7, p. 549, doi. 10.1107/S2053229616008950
- By:
- Publication type:
- Article
Six polycyclic pyrimidoazepine derivatives: syntheses, molecular structures and supramolecular assembly.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2016, v. 72, n. 4, p. 346, doi. 10.1107/S2053229616004654
- By:
- Publication type:
- Article
Similar molecular constitutions but different conformations and different supramolecular assemblies in two related fused tetracyclic benzo[ b]pyrimido[5,4- f]azepine derivatives.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2016, v. 72, n. 1, p. 52, doi. 10.1107/S2053229615023876
- By:
- Publication type:
- Article
Triclinic and monoclinic polymorphs of meso-( E, E)-1,1′-[1,2-bis(4-chlorophenyl)ethane-1,2-diyl]bis(phenyldiazene): the high-yield synthesis of an unexpected product, concomitant polymorphism and configurational disorder.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2016, v. 72, n. 1, p. 57, doi. 10.1107/S2053229615023578
- By:
- Publication type:
- Article
Five closely related 4-chloro-6,11-dihydro-5 H-benzo[ b]pyrimido[5,4- f]azepines: similar molecular structures but different supramolecular assemblies.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2015, v. 71, n. 12, p. 1062, doi. 10.1107/S2053229615020811
- By:
- Publication type:
- Article
The interplay of solvation, molecular conformation and supramolecular assembly in 1,1′-({[(ethane-1,2-diyl)dioxy](1,2-phenylene)}bis(methanylylidene))bis(thiosemicarbazide) and its N, N-dimethylformamide disolvate.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2015, v. 71, n. 11, p. 959, doi. 10.1107/S2053229615018744
- By:
- Publication type:
- Article
(5 RS)-6 H-Spiro[pyrazolo[1,5- c]quinazoline-5,4′-thiochroman]: efficient synthesis under mild conditions, molecular structure and supramolecular assembly.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2015, v. 71, n. 11, p. 1028, doi. 10.1107/S2053229615020136
- By:
- Publication type:
- Article
Dihydrooxazolones and dihydroimidazolones derived from acylglycines: syntheses, molecular structures and supramolecular assembly.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2015, v. 71, n. 8, p. 742, doi. 10.1107/S2053229615013637
- By:
- Publication type:
- Article
A chalcone showing positional disorder, two related diarylcyclohexenones showing enantiomeric disorder and a related hydroxyterphenyl, all derived from simple carbonyl precursors.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2015, v. 71, n. 7, p. 610, doi. 10.1107/S2053229615011961
- By:
- Publication type:
- Article
A sterically congested cis-stilbene and its phosphonium salt precursor.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2015, v. 71, n. 6, p. 479, doi. 10.1107/S2053229615009110
- By:
- Publication type:
- Article
Two different products from the reaction of 1-aryl-5-chloro-3-methyl-1 H-pyrazole-4-carbaldehyde with cyclohexylamine when the aryl substituent is phenyl or pyridin-2-yl: hydrogen-bonded sheets versus dimers.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2015, v. 71, n. 5, p. 363, doi. 10.1107/S2053229615006403
- By:
- Publication type:
- Article
Ethyl (4-benzyloxyphenyl)-6-methyl-2-sulfanylidene-1,2,3,4-tetrahydropyrimidine-5-carboxylate and a redetermination of ethyl (4 RS)-4-(4-methoxyphenyl)-6-methyl-2-sulfanylidene-1,2,3,4-tetrahydropyrimidine-5-carboxylate, as its 0.105-hydrate, both at 200 K: subtly different hydrogen-bonded ribbons
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2015, v. 71, n. 1, p. 59, doi. 10.1107/S2053229614026758
- By:
- Publication type:
- Article
(2 E)-3-(6-Methoxynaphthalen-2-yl)-1-(pyridin-3-yl)prop-2-en-1-one and its cyclocondensation product with guanidine, (4 RS)-2-amino-4-(6-methoxynaphthalen-2-yl)-6-(pyridin-3-yl)-3,4-dihydropyrimidine monohydrate: two types of hydrogen-bonded sheet.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2014, v. 70, n. 11, p. 1011, doi. 10.1107/S2053229614021524
- By:
- Publication type:
- Article
2-Ethyl-1-[5-(4-methylphenyl)pyrazol-3-yl]-3-(thiophene-2-carbonyl)isothiourea: molecular ribbons containing three types of hydrogen-bonded ring.
- Published in:
- Acta Crystallographica Section C: Structural Chemistry, 2014, v. 70, n. 11, p. 1064, doi. 10.1107/S205322961402244X
- By:
- Publication type:
- Article