1,3-Dihydrospiro[isobenzofuran]s and derivatives thereof
US3962259A · kind A · utility
34Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1973 |
| Grant date | Jun 8, 1976 |
| Priority date | — |
| Expiry date | Dec 12, 1993 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/685
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel substituted 1,3-dihydrospiro[isobenzofuran]s and methods of preparing the same are described. These compounds are useful as tranquilizers, analgetic agents and intermediates therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.