ChemicalBook CAS DataBase List 3,5-dihydroxy-4-ethylstilbene

3,5-dihydroxy-4-ethylstilbene synthesis

4synthesis methods

Product Name:3,5-dihydroxy-4-ethylstilbene
CAS Number:79338-80-0
Molecular formula:C16H16O2
Molecular Weight:240.3

(E)-2-ethyl-1,3-diMethoxy-5-styrylbenzene

141509-19-5
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79338-80-0
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Yield:79338-80-0 91%

Reaction Conditions:

with boron tribromide

Steps:

2 Experiment 18. 2-Ethyl-5-(2-phenylethenyl)-1,3-benzenediol (24B).

Experiment 18. 2-Ethyl-5-(2-phenylethenyl)-1,3-benzenediol (24B). This material was synthesised from 1-(3,5-dimethoxy-4-ethylphenyl)-2-phenylethene and BBr₃ in 91% yield by the same method as described in example 6. ¹H-NMR (CDCl₃, ppm): δ 1.22 (t, J=7.5 Hz, 6H), 2.70 (q, J=7.5 Hz, 2H), 4.81 (s, 2H), 6.60 (s, 2H), 7.00 (s, 2H), 7.26 (m, 1H), 7.36 (m, 2H), 7.52 (m, 2H).

References:

US2005/59733,2005,A1

2040-04-2 Synthesis

2040-04-2
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79338-80-0
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References

588-72-7
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79338-80-0
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References

18610-90-7 Synthesis

18610-90-7
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79338-80-0
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References