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HIV-1 IN inhibitor

Today, 3D databases, which provide the means for storing and searching for 3D information of compounds, are proven to be useful tools in drug discovery programs. This is well exemplified with the recent discovery of novel nonpeptide HIV-1 protease inhibitors using pharmacophore searches of the National Cancer Institute 3D structural database [13-15]. [Pg.106]

Efficient coupling between a chiral 3-phenylpropionamide enolate and (S)-glyci-dyl tosylate was achieved in a practical route to the HIV-1 protease inhibitor L-735-524 [68b]. [Pg.296]

J ,3J ,4J ,5J )-2,5-bis(benzyloxy)-3,4-dihydroxy-Nd -bis (lS)-2-methyl-l-[(methylamino)carbonyl]propyl hexanediamide is a C2-symmetric HIV-1 protease inhibitor [29]. Derivatization in the para positions of the benzyl-oxy groups via microwave-assisted Stille reaction on the corresponding di-brominated inhibitor smoothly yielded the desired heteroarylated derivatives (Scheme 10). Interestingly, the 1,3-thiazole derivative showed a higher antiviral activity on the wild type virus than the lead compound. The activity remained at the same level in the presence of seriun. Unfortimately, a low activity was observed on mutants. [Pg.161]

As a direct appUcation a potent C2-symmetric HIV-1 protease inhibitor (with two tetrazoles as carboxyl group bioisosteres) was prepared in one pot [77]. The process involved microwave-promoted cyanation followed by conversion of the nitrile group in a tetrazole with azide (Scheme 64). It is notable that the fimctionahzation was achieved so smoothly without side reactions such as the ehmination of water. [Pg.190]

This chapter is intended to provide an overview of HIV-1 entry inhibitors, focusing on the mechanism of action, development, and knowledge of viral resistance to the currently available entry inhibitors, enfuvirtide and maraviroc. Although reversed relative to their order in the entry process, enfuvirtide is discussed first due to the greater clinical experience with this drug. [Pg.179]

Lalezari JP, Henry K, O Hearn M, Montaner JS, Piliero PJ, Trottier B, Walmsley S, Cohen C, Kuritzkes DR, Eron JJ Jr, Chung J, DeMasi R, Donatacci L, Drobnes C, Delehanty J, Salgo M (2003c) Enfuvirtide, an HIV-1 fusion inhibitor, for drug-resistant HIV infection in North and South America. N Engl J Med 348 2175-2185... [Pg.197]

The HEPT and TIBO derivatives were discovered as the result of a systematic evaluation for anti-HIV activity in cell culture. They were later found to achieve their anti-HIV-1 activity through an interaction with the HIV-1 RT. In contrast, nevirapine, pyridinone, and BHAP emerged from a screening program for HIV-1 RT inhibitors. The anti-HIV-1 activity of these compounds was subsequently confirmed in cell culture. Like the HEPT and TIBO derivatives, the 2, 5 -bis-0-(tert-butyldimethylsilyl)-3 -spiro-5" -(4" -amino-1", 2" -oxathiole-2", 2" -dioxide)-pyrimidine (TS AO) derivatives (Fig. 9) [65,66] and a-anilinophenylacetamides (a-APA) (Fig. 10) [67] were discovered through the evaluation of their anti-HIV activity in cell culture. Subsequently, they were found to act as specific inhibitors of HIV-1 RT. [Pg.325]

A series of potent, linear C2-symmetric HIV-1 protease inhibitors with K, values in the nanomolar range was prepared from a diaryl bromide precursor emanating from a carbohydrate scaffold, by application of Heck, Suzuki, Stille, and cyanation reactions. Included in this series was the first reported microwave-promoted Suzuki coupling with an alkyl borane [41]. A very high-yielding Suzuki coupling is presented... [Pg.391]

For example, with the crystal structure of the aspartyl protease from human immundeficiency virus (HIV-1) in 1989 came the opportunity to design molecules to block this important enzyme that acts as a molecular scissors. HIV is the virus responsible for AIDS. Essential to viral replication, the HIV protease cuts long strands composed of many proteins into the functional proteins found in mature virus particles. This proteolysis occurs at the very end of the HIV replication cycle (Figure 7-1). The three-dimensional structural information derived from the x-ray crystal structure, combined with computer modeling techniques, allowed chemists to design potent, selective inhibitors of the protease enzyme (Figure... [Pg.98]


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See also in sourсe #XX -- [ Pg.30 , Pg.228 ]

See also in sourсe #XX -- [ Pg.228 ]




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