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- W1993201620 abstract "7-Acetonyloxy-5-methyl-α-tetralone (Vc) was cyclodehydrated to 7,8-dihydro-1,5-dimethylnaphtho[2,1-b]furan-9(6H)-one (VIa), the structure of which was established by an independent synthesis from methyl 4-(4-acetonyloxy-2-methylphenyl)butyrate (IXd). Similarly, 7-acetonyloxy-2,5-dimethyl-α-tetralone (Vf), synthesized via 4-(5-isopropyl-4-methoxy-2-methylphenyl)-2-methylbutyric acid (XIIb) and 7-methoxy-2,5-dimethyl-α-tetralone (Vd), was cyclodehydrated to 7,8-dihydro-1,5,8-trimethylnaphtho[2,1-b]furan-9(6H)-one (VIb), which on reduction and dehydration furnished pyrocurzerenone (6,7-dihydro-1,5,8-trimethylnaphtho[2,1-b]furan)(I). The deisopropylation and cyclodehydration of (XIIb) to (Vd) were effected in one step by treatment with polyphosphoric acid." @default.
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- W1993201620 date "1974-01-01" @default.
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- W1993201620 title "Studies in terpenoids. Part XXXI. Synthesis of pyrocurzerenone, a furosesquiterpenoid from Curcuma zedoaria" @default.
- W1993201620 doi "https://doi.org/10.1039/p19740000450" @default.
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