WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 200781

CAS#: 204970-97-8

Description: CJ 15161, an opioid κ-receptor agonist, is undergoing development with Pfizer as an analgesic agent.

Price and Availability




CJ-15161 purity > 98% is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 200781
Name: CJ-15161
CAS#: 204970-97-8
Chemical Formula: C23H31N3O2
Exact Mass: 381.24163
Molecular Weight: 381.51114
Elemental Analysis: C, 72.41; H, 8.19; N, 11.01; O, 8.39

Synonym: CJ15161; CJ15161 ; Benzamide 4(1S)2(3S)3hydroxy1pyrrolidinyl1phenylethylmethylaminoNpropyl .

IUPAC/Chemical Name: 4-(((S)-2-((S)-3-hydroxypyrrolidin-1-yl)-1-phenylethyl)(methyl)amino)-N-propylbenzamide


InChi Code: InChI=1S/C23H31N3O2/c1-3-14-24-23(28)19-9-11-20(12-10-19)25(2)22(18-7-5-4-6-8-18)17-26-15-13-21(27)16-26/h4-12,21-22,27H,3,13-17H2,1-2H3,(H,24,28)/t21-,22+/m0/s1

SMILES Code: O=C(NCCC)C1=CC=C(N([C@@H](C2=CC=CC=C2)CN3C[C@@H](O)CC3)C)C=C1

Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO, not in water

Shelf Life:
>5 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

Harmonized System Code:

Additional Information

CJ-15,161 is a κ-opioid receptor agonist.
Current developer: Pfizer


1. Ito, Fumitaka; Kondo, Hiroshi. Process for producing pyrrolidinyl- and pyrrolinylethylamine compounds as kappa agonists and pharmaceutical compositions containing them. Hung. Pat. Appl. (2000), 160 pp. CODEN: HUXXCV HU 9903452 A2 20000228 CAN 147:72632 AN 2007:370172 CAPLUS

2. Andresen, Brian M.; Caron, Stephane; Couturier, Michel; DeVries, Keith M.; Do, Nga M.; Dupont-Gaudet, Kristina; Ghosh, Arun; Girardin, Melina; Hawkins, Joel M.; Makowski, Teresa M.; Riou, Maxime; Sieser, Janice E.; Tucker, John L.; Vanderplas, Brian C.; Watson, Timothy J. N. Process research and scale-up of the  -opioid receptor agonist CJ-15,161 drug candidate. Chimia (2006), 60(9), 554-560. CODEN: CHIMAD ISSN:0009-4293. CAN 147:257605 AN 2006:1141127 CAPLUS

3. Ghosh, Arun; Sieser, Janice E.; Caron, Stephane; Couturier, Michel; Dupont-Gaudet, Kristina; Girardin, Melina. Cu-Catalyzed N-Arylation of Oxazolidinones: An Efficient Synthesis of the  -Opioid Receptor Agonist CJ-15161. Journal of Organic Chemistry (2006), 71(3), 1258-1261. CODEN: JOCEAH ISSN:0022-3263. CAN 144:232953 AN 2006:18454 CAPLUS

4. Couturier, Michel; Tucker, John L.; Andresen, Brian M.; DeVries, Keith M.; Vanderplas, Brian C.; Ito, Fumitaka. Efficient synthesis of the  -opioid receptor agonist CJ-15,161: four stereospecific inversions at a single aziridinium stereogenic center. Tetrahedron: Asymmetry (2003), 14(22), 3517-3523. CODEN: TASYE3 ISSN:0957-4166. CAN 140:111217 AN 2003:877272 CAPLUS

5. Quallich, George Joseph; Castaldi, Michael James. Preparation of crystalline anhydrous and monohydrate benzoate salts of (2'S,3S)-3-hydroxy-N-[2-[N-methyl-N-4-[(N-propylamino)carbonyl]phenyl]amino-2-phenyl]ethylpyrrolidine as  -opioid receptor agonists. PCT Int. Appl. (2003), 16 pp. CODEN: PIXXD2 WO 2003072544 A1 20030904 CAN 139:230618 AN 2003:696867 CAPLUS

6. Devries, Keith M.; Couturier, Michel A.; Andresen, Brian M.; Tucker, John L.; Ito, Fumitaka. Preparation of hydroxypyrrolidinyl ethylamine compounds useful as selective  -opioid receptor agonists. U.S. Pat. Appl. Publ. (2002), 13 pp. CODEN: USXXCO US 2002161241 A1 20021031 CAN 137:337777 AN 2002:833565 CAPLUS

7. Ghosh, Arun; Sieser, Janice E.; Caron, Stephane; Watson, Timothy J. N. Synthesis of the kappa-agonist CJ-15,161 via a palladium-catalyzed cross-coupling reaction. Chemical Communications (Cambridge, United Kingdom) (2002), (15), 1644-1645. CODEN: CHCOFS ISSN:1359-7345. CAN 138:73134 AN 2002:517323 CAPLUS

8. Ito, Fumitaka; Kondo, Hiroshi. Preparation of pyrrolidinyl- and pyrrolinylethylarylamines as kappa opioid receptor agonists. U.S. (2001), 39 pp., Cont.-in-part of Appl. No. PCT/IB96/00957. CODEN: USXXAM US 6201007 B1 20010313 CAN 134:222619 AN 2001:178439 CAPLUS

9. Ito, Fumitaka; Kondo, Hiroshi. Preparation of pyrrolidinyl- and pyrrolinylethylamines as kappa agonists. PCT Int. Appl. (1998), 129 pp. CODEN: PIXXD2 WO 9812177 A1 19980326 CAN 128:243949 AN 1998:199673 CAPLUS