Design, Structure-Activity Relationships, X-ray Crystal Structure, and Energetic Contributions of a Critical P1 Pharmacophore: 3-Chloroindole-7-yl-Based Factor Xa Inhibitors.
Shi, Y., Sitkoff, D., Zhang, J., Klei, H.E., Kish, K., Liu, E.C., Hartl, K.S., Seiler, S.M., Chang, M., Huang, C., Youssef, S., Steinbacher, T.E., Schumacher, W.A., Grazier, N., Pudzianowski, A., Apedo, A., Discenza, L., Yanchunas, J., Stein, P.D., Atwal, K.S.(2008) J.Med.Chem. 51: 7541-7551
- PubMed: 18998662 
- DOI: 10.1021/jm800855x
- PubMed Abstract: 
An indole-based P1 moiety was incorporated into a previously established factor Xa inhibitor series. The indole group was designed to hydrogen-bond with the carbonyl of Gly218, while its 3-methyl or 3-chloro substituent was intended to interact with ...