发明名称 |
Preparation of fungicidal quinazolinones and useful intermediates |
摘要 |
PCT No. PCT/US97/10254 Sec. 371 Date Dec. 9, 1998 Sec. 102(e) Date Dec. 9, 1998 PCT Filed Jun. 12, 1997 PCT Pub. No. WO97/48684 PCT Pub. Date Dec. 24, 1997This invention provides advantageous processes for preparing quinazolinones of Formula I wherein: R1 is C1-C10 alkyl; C3-C10 alkenyl; C3-C10 cycloalkyl; C3-C10 halocycloalkyl; C4-C10 cycloalkylalkyl; C4-C10 halocycloalkylalkyl; or C3-C10 alkynyl; R2 is C1-C10 alkyl; C3-C10 alkenyl; C3-C10 cycloalkyl; C3-C10 halocycloalkyl; C4-C10 cycloalkylalkyl; C4-C10 halocycloalkylalkyl; C4-C10 cycloalkyl; C4-C10 halocycloalkyl; or C3-C10 alkynyl; and R3 and R4 are each independently hydrogen or halogen; from compounds containing the moiety IIg This invention further provides certain compounds of Formula II, IIIa, or IVa where R7 is C2-C6 alkyl.
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申请公布号 |
US6166208(A) |
申请公布日期 |
2000.12.26 |
申请号 |
US19980202394 |
申请日期 |
1998.12.09 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
BEREZNAK, JAMES FRANCIS;MARSHALL, ERIC ALLEN;STERNBERG, CHARLENE GROSS;STERNBERG, JEFFREY ARTHUR;SUN, KING-MO |
分类号 |
C07C271/68;C07C331/28;C07D239/95;C07D239/96;(IPC1-7):C07D239/96 |
主分类号 |
C07C271/68 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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