Results 31 to 40 of about 51,831 (55)

[1,1′-Bicyclohexane]-1,1′-diol

IUCrData, 2023
The title compound, C12H22O2, is a symmetric diol derived from the pinacol coupling of cyclohexanone. The asymmetric unit contains three complete molecules. The cyclohexane moieties adopt chair conformations.
Zukisani Mtendeni, Eric Cyriel Hosten, Richard Betz   +2 more
doaj   +1 more source

Program Quality Review - Department of Chemistry (2000) [PDF]

, 2000
Program Quality Review measuring library support for the Department of Chemistry. Tracks library expenditures on materials serving chemistry and related topics, books added and circulated by subject with peer comparisons, scholarly books published by ...
O\u27Malley, William T.
core   +1 more source

Ethyl 2-[9-(5-bromo-2-hydroxyphenyl)-3,3,6,6-tetramethyl-1,8-dioxo-1,2,3,4,5,6,7,8,9,10-decahydroacridin-10-yl]acetate

IUCrData, 2017
In the title compound, C27H32BrNO5, the central 1,4-dihydropyridine ring adopts a shallow sofa conformation (with the C atom bearing the bromophenol ring as the flap), whereas the pendant cyclohexene rings both have twisted-boat conformations.
Shaaban K. Mohamed, Necmi Dege, Mehmet Akkurt, Omyma A. Abd Allah, Mustafa R. Albayati   +4 more
doaj   +1 more source

(E)-3-(1,3-Diphenyl-1H-pyrazol-4-yl)-1-(thiazol-2-yl)prop-2-en-1-one

IUCrData, 2023
In the title molecule, C21H15N3OS, the C5=C6 double bond in the central enone group adopts a trans configuration. The dihedral angle between planes of the thiazole and pyrazole rings is 6.6 (2)°.
Dongsoo Koh
doaj   +1 more source

tert-Butyl (2S,3R,4R)-7′-bromo-4-methyl-2′,5-dioxo-4,5-dihydro-3H-spiro[furan-2,3′-indoline]-3-carboxylate

IUCrData, 2017
In the title compound, C17H18BrNO5, the furan ring has an envelope conformation with the carboxylate substituted C atom as the flap. The planar indoline ring is inclined to the mean plane of the furan ring by 87.5 (2)°.
Chen-Hong Meng, Ai-Bao Xia
doaj   +1 more source

Chemical Doping of a Silica Matrix with a New Organic Dye from the Group of Heterocyclic Compounds—Chemical, Optical and Surface Characteristics

Crystals, 2022
This paper presents the results of research on a luminescent dye bound in a silica matrix. The new developed dye from the group of azaheterocyclic compounds was used: 3-(p-hydroxyphenyl)-1-phenyl-1H-pyrazolo [3,4-b]quinoxaline.
Katarzyna Wojtasik, Magdalena Zięba, Michał Wojtasik, Cuma Tyszkiewicz, Monika Pokladko-Kowar, Ewa Gondek, Andrzej Danel, Paweł Karasiński   +7 more
doaj   +1 more source

Reference Question Data Mining [PDF]

, 2010
This exploratory study investigated the feasibility of using reference questions as an important tool in the construction of study guides, instructional outreach, and collection development at a small, four-year university in Lake Charles, Louisiana. The
Finnell, Joshua, Fontane, Walt
core   +1 more source

7′-Nitro-6′-phenyl-1′,6′,7′,7a′-tetrahydro-spiro[indeno[1,2-b]quinoxaline-11,5′-pyrrolo[1,2-c][1,3]thiazole]

IUCrData, 2017
In the title compound, C26H20N4O2S, the thiazole and pyrrolidine rings adopt envelope conformations with the respective flap atoms being the N atom and the nitro-bearing C atom. The phenyl and indenoquinoxaline planes are oriented at an angle of 66.72 (1)
C. Muthuselvi, M. Muthu, S. Athimoolam, B. Ravikumar, S. Pandiarajan, R. V. Krishnakumar   +5 more
doaj   +1 more source

Mineralogy and Geochemistry of JingFenCui (Rhodonite Jade) Deposit from Beijing, China

Crystals, 2022
JingFenCui is a type of rhodonite jade from the Changping district of Beijing, China, which is a manganese skarn deposit formed through the metasomatism of the granite aplite and Cambrian limestone.
Zhi-Juan Kang, Guang-Hai Shi, Wei-Yan Lei, Cai-Xiu An, Lu Liu, Shu-Hong Liu, Feng Lu, Lin Xu   +7 more
doaj   +1 more source

3-Hydroxy-3-methylisochroman-1-one–2-(carboxymethyl)benzoic acid (1/1)

IUCrData, 2018
The title co-crystalline compound, C10H10O3·C9H8O4, has been synthesized and characterized in a single-crystal X-ray diffraction study. In the 3-hydroxy-3-methylisochroman-1-one molecule, the six-membered heterocyclic ring lies between an envelope and a ...
Akoun Abou, Ludovic Akonan, Frédérica Koblavi-Mansilla, Aka Joseph N'gouan, Konan René Kambo   +4 more
doaj   +1 more source