13129-17-4Relevant academic research and scientific papers
A Simple Method for the Synthesis of Fused Thiophenes
Noe, Christian R.,Knollmueller, Max,Wagner, Ernst
, p. 621 - 630 (1986)
A simple method for the synthesis of fused thiophenes by reaction of α-carboxymethyl substituted cyclic ketones with Lawesson-reagent is described.Considerations concerning the reaction mechanism are given. - Keywords: Lawesson reagent; Mechanism
ARYLAMIDES AND METHODS OF USE THEREOF
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Page/Page column 74-75; 81-82, (2021/06/11)
The present disclosure relates to heterocyclic compounds, pharmaceutically acceptable salts thereof, and pharmaceutical preparations thereof. Also described herein are compositions and the use of such compounds in methods of treating diseases and conditions mediated by deficient CFTR activity, in particular cystic fibrosis.
Highly efficient one-pot multi-directional selective hydrogenation and N-alkylation catalyzed by Ru/LDH under mild conditions
Zhang, Sishi,Xu, Jie,Cheng, Hongmei,Zang, Cuicui,Sun, Bin,Jiang, Heyan,Bian, Fengxia
supporting information, (2020/03/30)
Atomic economy, non-toxicity, harmlessness and multidirectional selectivity advocated by green chemistry have increasingly become a hot and difficult research topic. Herein, we present a highly efficient, one-pot tandem and easy-to-operate method through which we could directly produce a broad range of multi-directional selective hydrogenated amines or N-alkyl aliphatic amines using aromatic nitro compounds as raw materials. Ru/LDH with characteristics of layered mesoporous structure, well dispersed small Ru nanoparticles and LDH stabilization to the Ru NPs was employed as the catalyst. It is remarkable that multi-directional superb chemoselectivity to aromatic amines, alicyclic amines as well as N-alkyl aliphatic amines could be achieved with excellent catalytic activity and recyclability by tuning reaction conditions over 5wt%Ru/LDH-2. Additionally, this catalytic system also exhibited attractive activity and multi-directional chemoselectivity in the hydrogenation of quinoline and its derivatives with solvents of different polarity. Chemoselectivity to 5,6,7,8-tetrahydroquinoline derivatives could reach as high as 95.6 %.
Flexible routes to thiophenes
Jullien, Helene,Quiclet-Sire, Beatrice,Tetart, Thomas,Zard, Samir Z.
supporting information, p. 302 - 305 (2014/01/23)
Three convergent routes to thiophenes are described, hinging on the radical addition of α-xanthyl ketones to ethyl vinyl sulfide or to vinyl pivalate. The latter route ultimately proved to be the most versatile and efficient (61-94%).
A new access to 2-phosphonothiophenes
Cal, Dariusz
, p. 1332 - 1335 (2014/03/21)
2-Phosphonothiophenes are prepared via the reaction of β- chloroacroleins with diethyl mercaptomethylphosphonate.
MULTICYCLIC COMPOUNDS AND METHODS OF USE THEREOF
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Page/Page column 110, (2011/06/25)
Provided herein are multicyclic compounds, methods of their synthesis, pharmaceutical compositions comprising the compounds, and methods of their use. The compounds provided herein are useful for the treatment, prevention, and/or management of various neurological disorders, including but not limited to, psychosis and schizophrenia.
DIAZACARBAZOLES AND METHODS OF USE
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Page/Page column 146, (2010/01/07)
The invention relates to 1,7-diazacarbazole compounds of Formula (I), (I-a) and (I-b) which are useful as kinase inhibitors, more specifically useful as checkpoint kinase 1 (chkl) inhibitors, thus useful as cancer therapeutics. The invention also relates to compositions, more specifically pharmaceutical compositions comprising these compounds and methods of using the same to treat various forms of cancer and hyperproliferative disorders, as well as methods of using the compounds for in vitro, in situ, and in vivo diagnosis or treatment of mammalian cells, or associated pathological conditions.
Synthesis of tri- and tetracyclic heterocycles related to cyclohexa- and cyclohepta[b]thiophenes
Sen,Saha,Das
, p. 334 - 338 (2007/10/03)
Synthesis of a number of tri- and tetracyclic compounds with a fused thiophene ring starting from spiro[benzo[b]thiophene-6(5H), 1'-cycloalkyl]-4(7H)-one 1(R = H, Me, Et and n = 4, 5) and cyclohepta[b]thiophenone 2 (R1 = H, R2 = Me and R1R2 = -(CH2)4-) is described.
New structures able to prevent the inhibition by hydroxyl radicals of glutamate transport in cultured astrocytes
Cauquil-Caubere, Isoline,Kamenka, Jean-Marc
, p. 867 - 877 (2007/10/03)
4,5,6,7-Tetrahydro-benzothiophen-7-ylamines, 4,5,6,7-tetrahydro- benzothiophen-4-ylamines, and 5,6-dihydro-4H-thieno[2,3-b] thiopyran-4- ylamines were designed, synthesized, and tested as OH radical scavengers. Most of them displayed chemical scavenging properties better than or in the same range as salicylic acid. Moreover, some compounds were able to protect in vitro the astroglial glutamate transporters against inhibitory action of radicals promoted by xanthine/xanthine oxidase. Thus, such compounds might be useful for lowering the large amounts of excitotoxic glutamate liberated during acute CNS diseases: they might protect the glutamate reuptake in astrocytes from the inhibitory action due to radicals co-liberated with glutamate.
Intermediates for making N-aryl and N-heteroarylamide and urea derivatives as inhibitors of acyl coenzyme A: cholesterol acyl transferase (ACAT)
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, (2008/06/13)
Compounds of the formula STR1 wherein R21 and R22 are as defined in the specification which are intermediates useful in the preparation of compounds of the formula STR2 and the pharmaceutically acceptable salts thereof, wherein Q and R1 are as defined in the specification. The compounds of formula I are inhibitors of acyl coenzyme A: cholesterol acyltransferase (ACAT) and are useful as hypolipidemic and antiatherosclerosis agents.
