Zobrazeno 1 - 10
of 2 161
pro vyhledávání: '"Ring system"'
Autor:
Sema Öztürk Yıldırım, Mehmet Akkurt, Ezgi Pehlivanlar, Gökalp Çetin, Rahime Şimşek, Ray J. Butcher, Ajaya Bhattarai
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 3, Pp 281-288 (2024)
The crystal structures and Hirshfeld surface analyses of three similar compounds are reported. Methyl 4-[4-(difluoromethoxy)phenyl]-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate, (C21H23F2NO4), (I), crystallizes in the monoclinic
Externí odkaz:
https://doaj.org/article/e544d10a21384a45ab4fcb0a16e3b3c4
Autor:
Sema Öztürk Yıldırım, Mehmet Akkurt, Gökalp Çetin, Rahime Şimşek, Ray J. Butcher, Ajaya Bhattarai
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 12, Pp 1132-1136 (2023)
In the title compound, C24H29F2NO4, which crystallizes in the orthorhombic Pca21 space group with Z = 4, the 1,4-dihydropyridine ring adopts a distorted boat conformation, while the cyclohexene ring is in a distorted half-chair conformation. In the c
Externí odkaz:
https://doaj.org/article/0d128795fc4c447b97274b1b7065e0fd
Autor:
Monzure-Khoda Kazi, E. Mahdi
Publikováno v:
Composites Part C: Open Access, Vol 13, Iss , Pp 100440- (2024)
This research aims to enhance the safety level and crash resiliency of targeted woven roving glass/epoxy composite material for various industry 4.0 applications. Advanced machine learning algorithms are used in this study to figure out the complicat
Externí odkaz:
https://doaj.org/article/e5ccc2e584974375a7c4a46b42ec17a3
Autor:
Farid N. Naghiyev, Victor N. Khrustalev, Anton P. Novikov, Mehmet Akkurt, Ali N. Khalilov, Ajaya Bhattarai, İbrahim G. Mamedov
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 4, Pp 254-258 (2023)
In the title compound, C32H29N5O2·C3H7NO, the bicyclo[3.3.1]nonane ring system adopts a half-chair/twist-boat conformation, with the phenyl rings in equatorial orientations with respect to the piperidine ring. The two oxane rings of the 2-oxabicyclo
Externí odkaz:
https://doaj.org/article/0e79cab0b54d40f997fbd360a3bff5b5
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 3, Pp 177-181 (2023)
The two substituted 1,2,3,4-tetrahydronaphthalenes, methyl (R)-3-{(1R,4S)-6-methoxy-4,7-dimethyl-5,8-bis[(triisopropylsilyl)oxy]-1,2,3,4-tetrahydronaphthalen-1-yl}butanoate, C36H66O5Si2, (2), and methyl (E)-3-{(1R,4S)-8-hydroxy-6-methoxy-4,7-dimethyl
Externí odkaz:
https://doaj.org/article/3b832b972c204e9f829d6fc44b541288
Autor:
Sema Öztürk Yıldırım, Mehmet Akkurt, Gökalp Çetin, Rahime Şimşek, Ray J. Butcher, Ajaya Bhattarai
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 3, Pp 187-191 (2023)
In the title compound, C23H25F4NO3, the 1,4-dihydropyridine ring adopts a distorted boat conformation, while the cyclohexene ring is almost showing a half-chair conformation. In the crystal, intermolecular N—H...O hydrogen bonds connect the molecul
Externí odkaz:
https://doaj.org/article/6994b11876814053bc3e7e34e8c82c34
Autor:
Felipe Kevin Correia Luz, Francisco J. Profito, Marcelo Braga dos Santos, Samuel A. N. Silva, Henara Lillian Costa
Publikováno v:
Lubricants, Vol 12, Iss 1, p 12 (2024)
The use of synthesis gas (SYNGAS) from waste gasification has been pointed out as a key strategy to help the energy transition. However, SYNGAS’ low calorific power is considered a difficult obstacle to its technological use in internal combustion
Externí odkaz:
https://doaj.org/article/8789bf0662a54e1798e91923b8960f18
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