HuagongsheHuagongshe Chemistry Print Report · For research reference only
diethyl 3,4-dihydro-7-[3-(4-chlorophenoxy)propoxy]-4-oxo-8-propyl-2H-1-benzopyran-2,2-dipropanoate → 7-[3-[(4-chloro-1-naphthalenyl)oxy]propoxy]-3,4-dihydro-4-oxo-8-propyl-2H-1-benzopyran-2,2-dipropanoic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | diethyl 3,4-dihydro-7-[3-(4-chlorophenoxy)propoxy]-4-oxo-8-propyl-2H-1-benzopyran-2,2-dipropanoate | HCID 15157438 | — |
| Reactant | diethyl 7-[3-[(4-chloro-1-naphthalenyl)oxy]propoxy]-3,4-dihydro-4-oxo-8-propyl-2H-1-benzopyran-2,2-dipropanoate | HCID 15157451 | — |
| Solvent | Diethyl Ether | HCID 3283 | — |
| Product | 7-[3-[(4-chloro-1-naphthalenyl)oxy]propoxy]-3,4-dihydro-4-oxo-8-propyl-2H-1-benzopyran-2,2-dipropanoic acid | HCID 15157452 | — |
Reaction Steps
The title compound was prepared by the method of Example 22 substituting the title product of Example 34 (515 mg) for the title product of Example 21 to give, after trituration with diethylether, 352 mg as a solid, m.p. 170.5°-171° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05093353 |
| Source dataset | uspto-grants-1992_03 |
| ORD ID | ord-056992e92e1f43abbdec47f98d07f01f |
| Source note | uspto-grants-1992_03 |