Stable lithium diisopropylamide and method of preparation
US4595779A · kind A · utility
14Cited by
6References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1984 |
| Grant date | Jun 17, 1986 |
| Priority date | — |
| Expiry date | Dec 24, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C209/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a nonpyrophoric and thermally stable form of lithium diisopropylamide which is useful as a reagent in the preparation of pharmaceuticals and specialty chemicals. The preferred composition includes lithium diisopropylamide, a limited amount of tetrahydrofuran in an amount not exceeding one mole per mole of lithium diisopropylamide, and at least one C.sub.2 to C.sub.18 amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.