6-Carboxamido dihydropyran derivatives
US5990156A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1998 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Jan 12, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula (I), ##STR1## wherein R.sup.1 represents OR.sup.5, SR.sup.5, NR.sup.5 R.sup.6, N(OR.sup.5)R.sup.6 or N(NR.sup.5 R.sup.6)R.sup.6 ; X represents OH, N.sub.3, NR.sup.3 R.sup.4 or NR.sup.4 CO.sub.2 R.sup.15 ; Y represents H or NHR.sup.2 ; R.sup.2 represents a group SO.sub.2 R.sup.7 or COR.sup.7 ; R.sup.3 represents H, C.sub.1-6 alkyl or C(.dbd.NR.sup.8)NR.sup.9 R.sup.10 ; R.sup.4 represents H or C.sub.1-6 alkyl; R.sup.5 represents H, C.sub.1-20 alkyl, C.sub.3-8 cycloalkyl, C.sub.2-20 alkenyl, C.sub.2-20 alkynyl, CHR.sup.11 COR.sup.12 or C.sub.1-20 alkyl substituted by one or more groups selected from NR.sup.13 R.sup.14, NR.sup.13 COR.sup.14, CO.sub.2 R.sup.13, OR.sup.13, C.sub.3-8 cycloalkyl and optionally substituted aryl; each R.sup.6 independently represents H, C.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, C.sub.2-6 alkenyl, C.sub.2-20 alkynyl, aryl or C.sub.1-4 alkyl substituted by one or more groups selected from NR.sup.13 R.sup.14, COR.sup.13, C.sub.3-8 cycloalkyl, CN, N.sub.3, OR.sup.13 and optionally substituted aryl; or R.sup.5 and R.sup.6 together form a C.sub.2-6 hydrocarbon chain which may optionally contain a group NR.sup.13 which chain is optionally substitu…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.