CAS 102518-79-6|(-) Huperzine A
Cov roj formula: C15H18N2O
Molecular Luj: 242.32
EINECS: 600-320-6
Purity: 97% Min.
Pob: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Specification ntawm CAS 102518-79-6|(-) Huperzine A
Yam khoom | SPECIFICATION |
Melting point | 211-216 C |
alpha | D -147 degree (c=0.36 hauv CH3OH) (Ayer); D24.5 -150.4 degree (c=0.498 hauv MeOH) (Liu) |
Cia temp. | Khaws hauv qhov tsaus ntuj, qhov chaw tsis zoo, 2-8 degree |
Daim ntawv | zoo |
Qhov ntom | 1.20 g / cm3 |
Boiling point | 5 05.0 degree |
pka ua | 12.25 |
kev ua haujlwm kho qhov muag | [ ]/D -153±5 degree , c=0.5 hauv methanol |
CAS DataBase Reference | 102518-79-6(CAS DataBase Reference) |
Synthesis ntawmCAS 102518-79-6|(-) Huperzine A
Cov xwm txheej
Theem #1: methyl ((5S,E)-11-ethylidene-2-methoxy-7-methyl-5,6,9,10-tetrahydro-5 , 9-methanocycloocta[b]pyridin-5-yl)carbamate Nrog trimethylsilyl iodide Hauv chloroform rau 6h; Reflux; Inert cua;
Theem #2: Nrog methanol Hauv chloroform rau 3h; Reflux; Inert cua;
Kev siv
Koshiba, Takahiro; Yokoshima, Satoshi; Fukuyama, Tohru
[Organic Letters, 2009, vol. 11, nr 22, p. 5354 - 5356]
Cim npe nrov: cas 102518-79-6|(-)-huperzine a, nqe, hais, luv nqi, hauv Tshuag, muag
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