5332-66-1Relevant academic research and scientific papers
Synthesis of 2-(phenoxymethyl)oxirane derivatives through unexpected rearrangement of oxiran-2-ylmethyl benzenesulfonates
Shen, Chuang,Guo, Xiang,Yu, Jun,Zeng, Xian-Guo,Peng, Li,Zhao, Chuan-Meng,Zhang, Fu-Li
supporting information, p. 273 - 278 (2017/02/10)
The synthesis of 2-(phenoxymethyl)oxirane derivatives from oxiran-2-ylmethyl benzenesulfonates was developed through a base promoted rearrangement. A new C-O bond was formed along with the unexpected cleavage of C-S bond via this process. This unusual reaction was characterized with mild reaction conditions, high efficiency, and excellent functional group tolerance. A plausible reaction mechanism was proposed on the basis of experimental results and control experiments.
An unusual (R)-selective epoxide hydrolase with high activity for facile preparation of enantiopure glycidyl ethers
Zhao, Jing,Chu, Yan-Yan,Li, Ai-Tao,Ju, Xin,Kong, Xu-Dong,Pan, Jiang,Tang, Yun,Xu, Jian-He
experimental part, p. 1510 - 1518 (2011/08/03)
A novel epoxide hydrolase (BMEH) with unusual (R)-enantioselectivity and very high activity was cloned from Bacillus megaterium ECU1001. Highest enantioselectivities (E>200) were achieved in the bioresolution of ortho-substituted phenyl glycidyl ethers and para-nitrostyrene oxide. Worthy of note is that the substrate structure remarkably affected the enantioselectivities of the enzyme, as a reversed (S)-enantiopreference was unexpectedly observed for the ortho-nitrophenyl glycidyl ether. As a proof-of-concept, five enantiopure epoxides (>99% ee) were obtained in high yields, and a gram-scale preparation of (S)-ortho-methylphenyl glycidyl ether was then successfully performed within a few hours, indicating that BMEH is an attractive biocatalyst for the efficient preparation of optically active epoxides. Copyright
Synthesis and bovine β3-adrenergic agonistic activities of a novel series of aryloxypropanolamines
El Hadri,Nicolle,Guillaume,Leclerc,Pietri-Rouxel,Strosberg,Archimbault
, p. 517 - 522 (2007/10/03)
We synthesized a novel series of 21 aryloxypropanolamine compounds characterized by N-alkyl, aralkyl, and aryl substituents. The compounds showed potent β3-adrenergic agonistic activities in Chinese hamster ovary cells expressing the bovine β3-adrenoceptors with Kact and Ki values of 4.2 ± 3.0 nM and 459 ± 169 nM respectively, for the ligand with the best compromise between potency and affinity. Structure-activity relationships are discussed.
Synthesis and antiallergic activity of dimethyl-2- (phenylcarbamoyl)ethylsulfonium p-toluenesulfonate derivatives
Tada, Yukio,Yamawaki, Ichiro,Ueda, Shuichi,Matsumoto, Hiroshi,Matsuura, Naosuke,Yasumoto, Mitsugi,Koda, Akihide,Hori, Mikio
, p. 3330 - 3336 (2007/10/03)
The derivatives of dimethyl-2-(phenylcarbamoyl)ethylsulfonium p- toluenesulfonates were synthesized and evaluated for antiallergic activity. The 2,3-dihydroxyethoxy group was introduced to the phenyl ring from the standpoint of lipophilicity and electronic effects of substituent. The IgE- induced rat passive cutaneous anaphylaxis (PCA) was inhibited by oral administration of several substituted 2-[(4- propoxyphenyl)carbamoyl]ethyldimethylsulfonium p-toluenesulfonate derivatives. Among them (±)-2-[N-[4-(3-ethoxy-2- hydroxypropoxy)phenyl]carbamoyl]ethyldimethylsulfonium p-toluenesulfonate (1a, IPD-1151T) was found to possess considerable activity in the PCA test, and it was launched as Suplatast tosilate in Japan.
A novel method for synthesis of aryl glycidyl ethers
Liu,Chen,Cao,Li
, p. 833 - 838 (2007/10/02)
A solid-liquid phase-transfer catalytic method for the synthesis of aryl glycidyl ethers has been described, and the factors affecting the reaction yield have been examined.
Possible Antimalarial Agents: Syntheses of 6-Methoxy-8-substituted-aminoquinolines
Bhat, Balkrishen,Bhaduri, A. P.
, p. 419 - 423 (2007/10/02)
Syntheses of 8-(2-amino-2-alkyl- or aryl-ethylamino)-6-methoxyquinolines (10-12), 8--6-methoxyquinolines (19-20), 8-(2-hydroxy-3-substituted-phenoxypropylamino)-6-methoxyquinolines (21-27) and 8--6-methoxyquinoline (30) are described.All the compounds have been evaluated for their blood and tissue schizontocidal activities and among these 17 shows tissue schizontocidal activity at 40 and 20 mg/kg i.p. doses against Plasmodium berghei NK-65 strain in Mastomysnatalensis.Compounds 21-23 have also been evaluated for their antarrhythmic activity and among these 21 shows moderate activity.
