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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
ChemicalBook CAS DataBase List Huperzine A

Huperzine A synthesis

9synthesis methods
5,9-Methanocycloocta[b]pyridine-5(6H)-carboxylic acid, 11-ethylidene-9,10-dihydro-2-methoxy-7-methyl-, methyl ester, (11E)-

120786-17-6
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Huperzine A

120786-18-7
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$62.00/10mg

-

Yield:-

Steps:

Multi-step reaction with 5 steps
1: 20percent NaOH / tetrahydrofuran; methanol / 48 h / Heating
2: SOCl2 / toluene / 2 h / 80 °C
3: NaN3 / toluene / 8 h / 80 °C
4: Heating
5: 92 percent / Me3SiI / CHCl3 / 1) reflux, 8 h, 2) MeOH, reflux, overnight

References:

Kozikowski;Xia;Reddy;Tuckmantel;Hanin;Tang [Journal of Organic Chemistry,1991,vol. 56,# 15,p. 4636 - 4645]

Carbamic acid, [(11E)-11-ethylidene-2,6,9,10-tetrahydro-7-methyl-2-oxo-5,9-methanocycloocta[b]pyridin-5(1H)-yl]-, methyl ester (9CI)

134287-15-3
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Huperzine A

120786-18-7
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$62.00/10mg

References
5,9-Methanocycloocta[b]pyridine-5(6H)-carboxylic acid, 7,8,9,10-tetrahydro-8-hydroxy-2-methoxy-7-methyl-11-oxo-, methyl ester

120686-01-3
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Huperzine A

120786-18-7
197 suppliers
$62.00/10mg

References
2-Methoxy-7,8-dihydroquinolin-6(5H)-one

120686-09-1
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Huperzine A

120786-18-7
197 suppliers
$62.00/10mg

References
Spiro[1,3-dioxolane-2,6'(5'H)-quinoline], 7',8'-dihydro-2'-methoxy-

120685-99-6
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Huperzine A

120786-18-7
197 suppliers
$62.00/10mg

References

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