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Citation: LIU Guo-Hua, YU Han, YAO Mei, FANG Hai-Bin. Synthesis and Plant Growth-Regulating Activity of Ethyl α-[4-(disubstituedbenzylidene) iminophenoxy] propionate[J]. Chinese Journal of Applied Chemistry, ;2007, 24(2): 152-156. shu

Synthesis and Plant Growth-Regulating Activity of Ethyl α-[4-(disubstituedbenzylidene) iminophenoxy] propionate

1.
Department of Chemistry, College of Life and Environment Science, Shanghai Normal University, Shanghai 200234

Corresponding author: LIU Guo-Hua,
Received Date: 13 March 2006
Available Online: 16 May 2006
Fund Project: 上海市教育委员会科学研究项目(05D215) (05D215)上海市科学与技术委员会科学研究项目资助(05JC14074) (05JC14074)上海市重点学科建设项目资助项目(T0402) (T0402)

Eleven ethyl α-[4-(substituedbenzylidene) iminophenoxy]propionates were synthesized through coupling of aromatic aldehydes with ethyl α-(4-aminophenoxyl) propionate.All compounds were characterized by means of ¹H NMR,UV,IR and elemental analysis.The effects of substituents of aromatic aldehyde on reaction yields were studied.The results showed that the coupling reaction using 4-nitro-benzaldehyde with electron-withdrawing subtituents gave the highest yield in 93%,while the lowest reaction yield of 54% was obtained using 4-methylbenzaldehye,which has electron-donating substituents.The preliminary biological tests show that most of the compounds possess plant growth-regulating activities at a low concentration(10 ppm). Among those compounds,6b and 6f show the root growth-regulating activities of 52% and 55% for Cucumis Sativa L.,respectively;while compound 6j gives a inhibitory activity of 75% for root of Cucumis Sativa L.. Compound 6b also gives a cell-growing activity of 51% for Triticum aestivum L.and compound 6h gives a stalk growth-regulating activity of 53% for Cucumis Sativa L.
- sehiff base,
- benzoxylpropionate,
- synthesis,
- plant growth-regulating activity
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