HuagongsheHuagongshe Chemistry Print Report · For research reference only
Trifluoroacetic acid → HCID 59238943, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | Pyrrolidine | HCID 31268 | — |
| Reactant | Binap, (A+-)- | HCID 634876 | — |
| Reactant | Sodium t-butoxide | HCID 23676156 | — |
| Reactant | HCID 67211816 | HCID 67211816 | — |
| Catalyst | palladium(II) acetate | HCID 167845 | — |
| Product | HCID 59238943 | HCID 59238943 | — |
Reaction Steps
The title compound was prepared by the reaction tert-butyl 12-bromo-2,10-difluoro-6-methoxyindolo[2,3-b]carbazole-5(7H)-carboxylate with pyrrolidine in the presence of Pd(OAc)2, BINAP, and NaOtBu at 80° C. for 2 h, followed deprotection with TFA. 1H NMR (400 MHz, DMSO-d6) δ ppm 11.29 (s, 2H), 7.70 (dd, J=10.0, 2.4 Hz, 2H), 7.43 (dd, J=8.8, 4.8 Hz, 2H), 7.19 (td, J=9.2, 2.4 Hz, 2H), 4.05 (s, 3H), 3.43-3.55 (m, 4H), 2.40-2.30 (m, 4H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08278341B2 |
| Source dataset | uspto-grants-2012_10 |
| ORD ID | ord-897ee6b2c8054d76a5491574c87ae380 |
| Source note | uspto-grants-2012_10 |