| 摘要 |
Disclosed is a method for preparing a compound of Formula 1 wherein R1 is CHX2, CX3, CX2CHX2 or CX2CX3; each X is independently Cl or F; Z is optionally substituted phenyl; and Q is phenyl or 1-naphthalenyl, each optionally substituted as defined in the disclosure; comprising contacting a compound of Formula 2 with hydroxylamine in the presence of a base. The present invention also relates to novel compounds of Formula 2, useful as starting materials for the aforedescribed method.
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