HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 14519867, compound → HCID 14519890, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | HCID 14519867 | HCID 14519867 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | HCID 14519890 | HCID 14519890 | 90% |
Reaction Steps
The above crude acid (IV: R1 =4-Cl, R3 =H) was cyclized with polyphosphate ester as in Example A to give a 90% yield of 6-chloro-4-methylxanthenone (VI: R1 =6-Cl, Z=CH3), mp (MeOH) 145°-146° C. Anal. (C14H9ClO2) C,H,N.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05281620 |
| Source dataset | uspto-grants-1994_01 |
| ORD ID | ord-49a2556f328c4565a012ee1aa9a2cecf |
| Source note | uspto-grants-1994_01 |