HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1490498Generated: November 1, 2026
1-Methyl-2,3-dihydro-1H-indole → 1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-indole
https://huagongshe.com/reaction/1490498
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 1-Methyl-2,3-dihydro-1H-indole | HCID 55830 | — |
| Reagent | Pinacol | HCID 6425 | — |
| Reagent | Triethylamine | HCID 8471 | — |
| Reagent | Catecholborane | HCID 67506 | — |
| Catalyst | Tris(pentafluorophenyl)borane | HCID 582056 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | 1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-indole | HCID 24229591 | 32% |
Reaction Steps
Prepared from 1-methylindoline (1j, 26.6 mg, 0.200 mmol, 1.00 equiv) and catBH (36.0 mg, 0.300 mmol, 1.50 equiv) at 100 o C according to GP 1. The title compound was purified by flash column chromatography using cyclohexane/EtOAc/Et3N (30/1/1) as eluent to afford 3j (16.6 mg, 32%) as a white solid.
Provenance & Evidence
| DOI | 10.1002/anie.201611536 |
|---|
| Source dataset | Borylation dataset from Roche |
|---|
| ORD ID | ord-5720a54c12234aecb4e32125f1ec4073 |
|---|
| Source note | Borylation dataset from Roche |
|---|