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Naturally occurring acetylenes. II. Synthesis of 5-ethynyl-2,2'-bithienyl and related compounds

✍ Scribed by Patrick, Timothy B.; Honegger, Joy L.

Book ID
125996118
Publisher
American Chemical Society
Year
1974
Tongue
English
Weight
485 KB
Volume
39
Category
Article
ISSN
0022-3263

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Synthesis of Naturally Occurring Curcumi
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✍ Pedersen, Uffe ;Rasmussen, Preben B. ;Lawesson, Sven-Olov πŸ“‚ Article πŸ“… 1985 πŸ› John Wiley and Sons 🌐 English βš– 669 KB

## Abstract Six known naturally occurring curcuminoids^1)^ like curcumin, [5‐hydroxy‐1,7‐bis(4‐hydroxy‐3‐methoxyphenyl)‐1,4,6‐heptatrien‐3‐one (**4a**)] and 31 other analogs (Scheme 1) have been synthesized. Among them, 25 curcuminoids were prepared by condensing different substituted 2,4‐pentanedi