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ChemicalBook CAS DataBase List Huperzine A
120786-18-7

Huperzine A synthesis

9synthesis methods
-

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]

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