The invention concerns a compound of the formula (I):
wherein, for example:
R1 is of the formula —NHC(═O)Rb wherein Rb is, for example, (1-4C)alkyl;
R2 and R3 are hydrogen or fluoro;
R2 and R3 are hydrogen or fluoro;
D is O;
R4 and R5 are hydrogen, (1-4C)alkyl or AR-oxymethyl;
AR is phenyl or phenyl(1-4C)alkyl;
R6 is hydrogen;
>A—B— is of the formula >C═C(Ra)—, >CHCHRa—, or >C(OH)CHRa— (> represents two single bonds) wherein Ra is hydrogen or (1-4C)alkyl;
and pharmaceutically-acceptable salts thereof; processes for their preparation; pharmaceutical compositions containing them and their use as antibacterial agents.
Amino substituted dibenzothiophene derivatives for the treatment of disorders mediated by np y5 receptor
申请人:——
公开号:US20030225097A1
公开(公告)日:2003-12-04
Compounds of formula (I):
1
wherein:
X is a group of formula (A) or (B):
2
and R
1
, R
2
, R
3
, R
4
, n, x, y and z are as defined within are described.
Processes for their preparation and their use in the treatment of disorders mediated by the neuropeptide Y5 receptor in a warm-blooded animal, such as a human being are also described.
Polymer bound EDC (P-EDC): A convenient reagent for formation of an amide bond
作者:Manoj C. Desai、Linda M. Stephens Stramiello
DOI:10.1016/s0040-4039(00)61539-3
日期:1993.11
A facile preparation of polymer bound 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (P-EDC) from commercially available starting materials is described. The P-EDC was found to be a convenient and general reagent for coupling of a variety of amines with diverse carboxylic acids.