Synthesis of butenolides as seed germina
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Kingmo Sun; Yuzhong Chen; Ty Wagerle; David Linnstaedt; Martin Currie; Preston C
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Article
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2008
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Elsevier Science
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French
β 111 KB
Syntheses of a series of novel butenolides as seed germination stimulants are described. The key steps include the cyclization reaction of enamine 4 to form a pyran ring, the efficient halogenating reaction and the selective lithiation reaction of butenolides.