Pesticidal dihydrotetrazolo [1,5-a] quinazolines and pesticidal uses thereof
US4056384A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1975 |
| Grant date | Nov 1, 1977 |
| Priority date | — |
| Expiry date | Aug 25, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Dihydrotetrazolo [1,5-a] quinazolines having the formula ##STR1## wherein (a) n is zero, X is oxygen, and R is optionally unsubstituted alkyl, alkenyl of at least 4 carbon atoms, alkynyl, aryl, aralkyl, alkylthio, cycloalkyl, amino or substituted aryl; or (b) n is 1 or 2, X is oxygen, R is hydrogen, or optionally-substituted alkyl, alkenyl, alkynyl, aryl, aralkyl, alkylthio, cycloalkyl, or amino, and R.sup.1 is hydroxy, halogen, nitro, alkyl or alkoxy or (c) n is zero, 1 or 2, X is sulphur, R is hydrogen, or optionally-substituted alkyl, alkenyl, alkynyl, aryl, aralkyl, alkylthio, cycloalkyl, or amino, and R.sup.1 is hydroxy, halogen, nitro, alkyl or alkoxy; or (d) n is 0, 1 or 2, X is NR.sub.2 where R.sub.2 is hydrogen, alkyl having 1 to 10 carbon atoms, benzyl or hydroxyalkyl, R is optionally-substituted alkyl, alkenyl, alkynyl, aryl, aralkyl, alkylthio, cycloalkyl, or amino, and R.sup.1 is hydroxy, halogen, nitro, alkyl or alkoxy; and salts thereof. These compounds demonstrate pesticidal activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.