Frustrated lewis pair compositions
US8299284B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2007 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | May 23, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/5022
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A compound having the formula (I) where each of R1, R2, R3 and R4 is independently C6-C18 aryl-, C5-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C4-C20 branched alkyl-, C16-C20 linear alkyl-, RO—, —NRR′, —PRR′, —SR, fluoro substituted forms thereof, and perfluoro forms thereof: and R5 is C6-C18 aryl-, C5-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C3-C20 branched alkyl-, C2-C30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; where R and R′ are each independently C6-C18aryl-, C5-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C4-C20 branched alkyl-, C2-C30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; A is N, P, S, or O with the proviso that when A is S, R2 is a nullify; and M is B, Al, Ga or In.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.