REACTIVE, LIPOPHILIC NUCLEOSIDE BUILDING BLOCKS FOR THE SYNTHESIS OF HYDROPHOBIC NUCLEIC ACIDS
申请人:Ionovation GmbH
公开号:US20190175633A1
公开(公告)日:2019-06-13
The present invention relates to a method for the isolation and/or identification of known or unknown sequences of nucleic acids (target sequences) optionally marked with reporter groups by base specific hybridation with complementary sequences using nucleolipids. The nucleolipids are prepared by lipophilizing nucleosides of formula (Ia)
wherein Q represents a group having a substituted tetrahydrofuran ring and Bas represents a group having one or more heterocyclic rings having one or more heterocyclic nitrogen atoms.
Chemokine receptor binding heterocyclic compounds with enhanced efficacy
申请人:——
公开号:US20030220341A1
公开(公告)日:2003-11-27
The invention relates to heterocyclic compounds consisting of a core nitrogen atom surrounded by three pendant groups, wherein two of the three pendant groups are preferably benzimidazolyl methyl and tetrahydroquinolyl, and the third pendant group contains N and optionally contains additional rings. The compounds bind to chemokine receptors, including CXCR4 and CCR5, and demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).
Acid promoted cyclodehydration of amino alcohols with amide acetal
作者:Soonho Hwang、Heemin Park、Yongseok Kwon、Sanghee Kim
DOI:10.1039/c4ra10625c
日期:——
A convenient acid-promoted cyclization protocol for the formation of azaheterocycles from amino alcohols is described. The reaction involves the use of N,N-dimethylacetamide dimethyl acetal (DMADA) as the activating reagent of the hydroxyl group. Using this protocol, pyrrolidines or piperidines with various substituents can be synthesized in good to high yields.
We have developed a one-pot method for the direct intermolecular reductive hydroxyalkylation or alkylation of amines using lactones or esters as the hydroxyalkylating/alkylating reagents. The method is based on the in situ amidation of lactones/esters with DIBAL-H–amine complex (for primary amines) or DIBAL-H–amine hydrochloride salt complex (for secondary amines), followed by reduction of the amides
Method of oxidizing an alcohol using a recyclable fluorous sulfoxide
申请人:——
公开号:US20030105363A1
公开(公告)日:2003-06-05
A method of oxidizing primary and secondary alcohols to an aldehyde or ketone using a fluorous sulfoxide or a fluorous sulfide is disclosed. The method includes regenerating and recycling the fluorous sulfoxide.