CR665

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CR665
Names
IUPAC name
(R)-2-((R)-2-((R)-2-amino-3-phenylpropanamido)-3-phenylpropanamido)-N-((R)-5-guanidino-1-oxo-1-((pyridin-4-ylmethyl)amino)pentan-2-yl)hexanamide
Other names
CR 665; JNJ 38488502
Identifiers
3D model (
JSmol
)
ChemSpider
UNII
  • InChI=1S/C36H49N9O4/c1-2-3-15-30(34(48)43-29(16-10-19-41-36(38)39)33(47)42-24-27-17-20-40-21-18-27)44-35(49)31(23-26-13-8-5-9-14-26)45-32(46)28(37)22-25-11-6-4-7-12-25/h4-9,11-14,17-18,20-21,28-31H,2-3,10,15-16,19,22-24,37H2,1H3,(H,42,47)(H,43,48)(H,44,49)(H,45,46)(H4,38,39,41)/t28-,29-,30-,31-/m1/s1
    Key: DBOGGOVKHSCMNB-OMRVPHBLSA-N
  • InChI=1/C36H49N9O4/c1-2-3-15-30(34(48)43-29(16-10-19-41-36(38)39)33(47)42-24-27-17-20-40-21-18-27)44-35(49)31(23-26-13-8-5-9-14-26)45-32(46)28(37)22-25-11-6-4-7-12-25/h4-9,11-14,17-18,20-21,28-31H,2-3,10,15-16,19,22-24,37H2,1H3,(H,42,47)(H,43,48)(H,44,49)(H,45,46)(H4,38,39,41)/t28-,29-,30-,31-/m1/s1
    Key: DBOGGOVKHSCMNB-OMRVPHBLBS
  • O=C(NCC1=CC=NC=C1)[C@H](NC([C@H](NC([C@@H](CC2=CC=CC=C2)NC([C@@H](CC3=CC=CC=C3)N)=O)=O)CCCC)=O)CCCNC(N)=N
Properties
C36H49N9O4
Molar mass 671.847 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

CR665 (H-D-Phe-D-Phe-D-Nle-D-Arg-NH-4-Picolyl), also known by the previous developmental code names FE-200665 and JNJ-38488502, is an all D-amino acid

antinociceptive activity.[1] It is being developed for use by Cara Therapeutics
under the code name CR665.

A small,

I.V., and was compared to 15 mg oxycodone orally. CR665 had analgesic effects on visceral pain, but produced a hyperalgesic response in a skin pinch test.[2]

See also

References

  1. PMID 18282565
    .
  2. PMID 19672186
    .


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