为制备 S-乙烯基亚磺酰亚胺(1),主要是 S-苯基-N-对甲苯磺酰-S-乙烯基亚磺酰亚胺,研究了三条路线,即(A)乙烯基硫醚与氯胺 T 反应,(B)2-卤乙基苯硫醚与氯胺 T 反应,随后进行脱卤化氢,以及(C)2-羟乙基硫醚与氯胺 T 反应,随后对羟基进行乙酰化处理,并脱乙酸。路线 A 存在制备乙烯基硫醚麻烦且产率低的缺点。路线 B 只有在使用无水氯胺 T 的情况下,才能以良好产率得到1的前体亚磺酰亚胺。从起始材料和产率来看,路线 C 效果最佳。
[EN] REV-ERB AGONISTS FOR THE TREATMENT OF TH17-MEDIATED INFLAMMATORY DISORDERS [FR] AGONISTES REV-ERB POUR LE TRAITEMENT DE TROUBLES INFLAMMATOIRES À MÉDIATION PAR TH17
Beta-amino acid derivatives as inhibitors of matrix metalloproteases and TNF-alpha
申请人:——
公开号:US20040072802A1
公开(公告)日:2004-04-15
The present application describes novel &bgr;-amino acid derivatives of formula I:
1
or pharmaceutically acceptable salt or prodrug forms thereof, wherein A, X, Z, U
a
, X
a
, Y
a
, Z
a
, R
1
, R
2
, R
3
, R
4
, and R
4a
are defined in the present specification, which are useful as metalloprotease and/or as TNF-&agr; inhibitors.
We report on the application of eight-membered C2-symmetric sulfenamide derivative as a new convenient and highly reactive electrophilic sulfur-nucleophilic nitrogen synthon for the concise synthesis of medium-ring S,N-heterocyclic systems.
2-iminobenzothiazoline derivatives, their preparation and pharmaceutical
申请人:Rhone-Poulenc Sante
公开号:US05008280A1
公开(公告)日:1991-04-16
Compounds of the formula: ##STR1## in which - R.sub.1 denotes a polyfluoroalkoxy or polyfluoroalkyl radical, and - R.sub.2 denotes either a chain --CH.sub.2 --(CH(R.sub.4)).sub.n --R.sub.3, in which R.sub.3 denotes a dialkylamino, piperidino, 1-pyrrolidinyl, mercapto, acylthio, alkylthio, alkylsulphinyl or alkylsulphonyl radical, R.sub.4 denotes a hydrogen atom or an alkyl radical and n is equal to 0 or 1, or a residue of formula: ##STR2## the said alkyl and alkoxy radicals and portions containing 1 to 4 carbon atoms each in a straight or branched chain and said the acyl portions containing 2 to 4 carbon atoms each, and the salts of these compounds, are useful in the treatment of diseases in which glutamate is implicated.
The present invention relates to a compound which is N-(4-4-[(6-butyl-8-quinolinyl)oxy]-1-piperidinyl}butyl)ethanesulfonamide
and salts thereof, processes for its preparation, to compositions containing it and to its use in the treatment of various diseases, such as allergic rhinitis.