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 → 3,4-dihydro-7-(3-phenoxypropoxy)-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 3,4-dihydro-7-(3-phenoxypropoxy)-8-propyl-2H-1-benzopyran-2,2-dipropanoate | HCID 15157492 | — |
| Product | 3,4-dihydro-7-(3-phenoxypropoxy)-8-propyl-2H-1-benzopyran-2,2-dipropanoic acid | HCID 15157493 | 94.3% |
Reaction Steps
The title compound (118 mg), m.p. 130.5°-132.5° C., was prepared by the method of Example 22 substituting the title product of Example 55 (140 mg) for the title product of Example 21.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05093353 |
| Source dataset | uspto-grants-1992_03 |
| ORD ID | ord-74ab0c23779e4214bf6bf85055a84eaa |
| Source note | uspto-grants-1992_03 |