HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1007378Generated: October 28, 2026
Acetic Anhydride → 1-Acetyl-5,6-dimethoxy-2-indolinone
https://huagongshe.com/reaction/1007378
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 5,6-Dimethoxyindolin-2-one | HCID 222993 | — |
| Product | 1-Acetyl-5,6-dimethoxy-2-indolinone | HCID 22668544 | — |
Reaction Steps
16.0 g of 5,6-dimethoxy-2-indolinone (according to Hahn; Tulus; Chem. Ber. 74, 500 (1941)) are dissolved in 170 ml of acetic anhydride and stirred for more than 3 hours at 130° C. After cooling the residue is filtered off, washed with ether and dried in vacuo at 100° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US06794395B1 |
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| Source dataset | uspto-grants-2004_09 |
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| ORD ID | ord-ed3c593273f44f75b619c1de66131ab5 |
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| Source note | uspto-grants-2004_09 |
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