3-substituted pyridines
US5194441A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1990 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Dec 21, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
##STR1## (X=OH; Y=--O--CHO, --O--CO--W.sup.3 R.sup.3, --O--SO.sub.2 --W.sup.3 R.sup.3 or X+Y=--O--CH(W.sup.3 R.sup.3)--O--, .sup.3 O.sup.3 CH(O.sup.3 W.sup.4 R.sup.4)--O--, --O--C(W.sup.3 R.sup.3)(O--W.sup.4 R.sup.4)--O--; W.sup.1 -W.sup.4 =direct bond, --CH.sub.2 --, --CH.sub.2 --CH.sub.2, --CH(CH.sub.3)--, --CH.sub.2 O--, --CH.sub.2 S--; R.sup.1 -R.sup.4 =unsubstituted or cylcoalkyl-substituted C.sub.1 -C.sub.6 -haloalkyl, C.sub.3 -C.sub.8 -cycloalkyl which is unsubstituted or substituted by 1-3 alkyl radicals, C.sub.1 -C.sub.4 - alkoxy- C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylthio-C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, substituted or unsubstituted phenyl or naphthyl, substituted or unsubstituted 5-/6-membered heteroaryl with 1 to 3 heteroatoms; PA0 R.sup.2 is additionally H when X+Y=--O--CH(W.sup.3 R.sup.3)--O--, --O--CH(O--W.sup.4 R.sup.4)--O-- or --O--C(W.sup.3 R.sup.3)(O--W.sup.4 R.sup.4)--O-- and W.sup.2 =direct bond, PA0 except cis-1-(2,4-dichlorophenyl)-2-(pryid-3-yl)-1,2-epoxypropane, trans-1-(2,4-dichlorophenyl)-2-(pyrid-3-yl)-1,2-epoxypropane, 1-(2,4- dichlorophenyl)-2-(pryid-3-yl)-1,2-epoxybutane and 2,4-dichloro- .alpha.…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.