[EN] NOVEL BICYCLIC HETEROARYL COMPOUND AND USE THEREOF [FR] NOUVEAU COMPOSÉ HÉTÉROARYLE BICYCLIQUE ET SON UTILISATION [KO] 신규 바이사이클릭 헤테로아릴 화합물 및 이의 용도
Regio- and Chemoselective Metalation of Chloropyrimidine Derivatives with TMPMgCl⋅LiCl and TMP<sub>2</sub>Zn⋅2 MgCl<sub>2</sub>⋅2 LiCl
作者:Marc Mosrin、Paul Knochel
DOI:10.1002/chem.200801831
日期:2009.1.26
Efficient zincation and magnesiation of chlorinated pyrimidines can be performed at convenient temperatures (e.g., 25 and 55 °C) by using TMPMgCl⋅LiCl and TMP2Zn⋅2 MgCl2⋅2 LiCl (TMP=2,2,6,6‐tetramethylpiperidyl) as effective bases. Quenching of the resulting zincated or magnesiated pyrimidines with various electrophiles furnishes highlyfunctionalized pyrimidines in 51–93 % yield. Oxidative aminations
PROCESSES FOR PREPARING HIV REVERSE TRANSCRIPTASE INHIBITORS
申请人:Guo Hongyan
公开号:US20090163712A1
公开(公告)日:2009-06-25
Compounds of Formula (I):
can be prepared by a multi-step process from compounds of Formula (II):
wherein G is Cl, Br or I.
公式(I)的化合物可以通过多步骤过程从公式(II)的化合物制备而成:
其中G是Cl、Br或I。
Regioselective 2-Amination of Polychloropyrimidines
作者:Sean M. Smith、Stephen L. Buchwald
DOI:10.1021/acs.orglett.6b00799
日期:2016.5.6
The regioselective amination of substituted di- and trichloropyrimidines affording the 2-substituted products is reported. While aryl- and heteroarylamines require the use of a dialkylbiarylphosphine-derived palladium catalyst for high efficiency, more nucleophilic dialkylamines produce 2-aminopyrimidines under noncatalyzed SNAr conditions. The key is the use of 5-trimethylsilyl-2,4-dichloropyrimidine
报道了提供2-取代产物的取代的二氯和三氯嘧啶的区域选择性胺化。尽管芳基胺和杂芳基胺需要使用二烷基联芳基膦衍生的钯催化剂才能实现高效率,但更多的亲核性二烷基胺在未催化的S N Ar条件下会产生2-氨基嘧啶。关键是使用5-三甲基甲硅烷基-2,4-二氯嘧啶作为母体二氯嘧啶的替代物。对于更具挑战性的情况,制备了2-氯-4-硫代甲氧基甲氧基类似物,并专门提供了所需的2-氨基-4-硫代甲氧基嘧啶产物。
Regio- and Chemoselective Zincation of Sensitive and Moderately Activated Aromatics and Heteroaromatics Using TMPZnCl·LiCl
A broad range of functionalized aryl- and heteroarylzinc reagents were preparedvia directed zincation of sensitive and moderately activated aromatics and heteroaromatics using TMPZnCl·LiCl under various reaction conditions. Diverse sensitive functional groups such as a nitro group, an aldehyde, an ester, and a nitrile are readily tolerated and are compatible with high metalation temperatures. Furthermore
[EN] NOVEL PURINE- OR PYRROLOL[2,3-d]PYRIMIDINE-2-CARBONITILES FOR TREATING DISEASES ASSOCIATED WITH CYSTEINE PROTEASE ACTIVITY<br/>[FR] NOUVEAUX PURINE- OU PYRROLOL[2,3-D]PYRIMIDINE-2-CARBONITILES DESTINES AU TRAITEMENT DE MALADIES LIEES A L'ACTIVITE DE PROTEASE A CYSTEINE
申请人:ASTRAZENECA AB
公开号:WO2004000843A1
公开(公告)日:2003-12-31
The present invention therefore provides a compound of formula (I) and compositions for treating diseases associated with cysteine protease activity. The compounds are reversible inhibitors of cysteine proteases S, K, F, L and B. Of particular interest are diseases associated with Cathepsin S. In addition this invention also discloses processes for the preparation of such inhibitors.