HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-(Trifluoromethyl)benzeneboronic acid → HCID 178498920, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-(Trifluoromethyl)benzeneboronic acid | HCID 2734387 | — |
| Reactant | HCID 178498916 | HCID 178498916 | — |
| Product | HCID 178498920 | HCID 178498920 | — |
Reaction Steps
4-Hydroxy-2-oxo-7-(2-trifluoromethyl-phenyl)-2H-thiochromene-3-carboxylic acid methyl ester was prepared from 7-bromo-4-hydroxy-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester (Example 5e) under conditions analogous to Example 7(a) using 2-trifluoromethyl-phenylboronic acid. 1H NMR (200 MHz, CDCl3): δ (ppm)=8.376 (d, 1H), 7.783-7.295 (m, 6H), 4.024 (s, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08927591B2 |
| Source dataset | uspto-grants-2015_01 |
| ORD ID | ord-6092c590456d4608a1b92d5600def534 |
| Source note | uspto-grants-2015_01 |