Synthesis and Insecticidal Activity of 2-Alkoxy-4 Hl, 3, 2-benzoxazaphosphorin-2-thiones

H Yoshikawa, R Ueno

Index: Yoshikawa, Hiromichi; Ueno, Ryohei Bioscience, Biotechnology, and Biochemistry, 1992 , vol. 56, # 9 p. 1467 - 1469

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Abstract

We have previously reported the insecticidal activity of some 4H-1, 3, 2- benzoxazaphosphorines (BOPs) with no substituent on the benzene ring. 1) This paper deals with the insecticidal activity of 31 kinds of BOP-2-thiones (V), which were synthesized to examine the substituent effects at the 2, 3, 6, and 8 positions of BOP (Fig. 1). Schiff bases (II) prepared from the corresponding salicyl aldehydes (I) and amines2) were reduced by ...