HuagongsheHuagongshe Chemistry Print Report · For research reference only
Boron trifluoride → 1-Methylpyrano[3,4-b]indol-3(9H)-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Boron trifluoride | HCID 6356 | — |
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 2-Indolylacetic acid | HCID 4371752 | — |
| Product | 1-Methylpyrano[3,4-b]indol-3(9H)-one | HCID 5240913 | — |
Reaction Steps
Indoleacetic acid was reacted with acetic anhydride in the presence of boron trifluoride to obtain 1-methylpyrano[3,4-b]indol-3-one. The product was reacted with dimethyl acetylenedicarboxylate to obtain dimethyl 1-methylcarbazole-2,3-dicarboxylate.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05166204 |
| Source dataset | uspto-grants-1992_11 |
| ORD ID | ord-b5eba2bfc312438c93572b0b69a7dfc5 |
| Source note | uspto-grants-1992_11 |