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Corynoxine B

Names

[ CAS No. ]:
17391-18-3

[ Name ]:
Corynoxine B

[Synonym ]:
Spiro[3H-indole-3,1'(5'H)-indolizine]-7'-acetic acid, 6'-ethyl-1,2,2',3',6',7',8',8'a-octahydro-α-(methoxymethylene)-2-oxo-, methyl ester, (αE,3R,6'S,7'S,8'aS)-
Corynoxine B
Methyl (7β,16E)-16-(methoxymethylene)-2-oxocorynoxan-17-oate

Biological Activity

[Description]:

Corynoxine B is an oxindole alkaloid isolated from Uncaria rhynchophylla (Miq.) Jacks (Gouteng in Chinese); a Beclin-1-dependent autophagy inducer. IC50 value:Target: Autophagy inducerin vitro: Corynoxine B, a natural autophagy inducer, restores the deficient cytosolic translocation of HMGB1 and autophagy in cells overexpressing SNCA, which may be attributed to its ability to block SNCA-HMGB1 interaction [1].in vivo: Corynoxine B exhibited prolongation of the thiopental-induced hypnosis on oral administration in mice [2].

[Related Catalog]:

Signaling Pathways >> Autophagy >> Autophagy
Natural Products >> Alkaloid
Research Areas >> Cancer

[References]

[1]. Song JX, et al. HMGB1 is involved in autophagy inhibition caused by SNCA/α-synuclein overexpression: a process modulated by the natural autophagy inducer corynoxine B. Autophagy. 2014 Jan;10(1):144-54.

[2]. Sakakibara I, et al. Effect of oxindole alkaloids from the hooks of Uncaria macrophylla on thiopental-induced hypnosis. Phytomedicine. 1998 Apr;5(2):83-6.


[Related Small Molecules]

Rapamycin (Sirolimus) | MG-132 | Cycloheximide | 3-Methyladenine | LY294002 | TAK-242 | (+)-JQ1 | SB203580 | Pyrazolanthrone (SP600125) | U0126-EtOH | Actinomycin D | Chloroquine diphosphate | CHIR-99021 (CT99021) | MK-2206 2HCl | Dorsomorphin dihydrochloride

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
560.8±50.0 °C at 760 mmHg

[ Molecular Formula ]:
C22H28N2O4

[ Molecular Weight ]:
384.469

[ Flash Point ]:
293.0±30.1 °C

[ Exact Mass ]:
384.204895

[ PSA ]:
67.87000

[ LogP ]:
3.31

[ Vapour Pressure ]:
0.0±1.5 mmHg at 25°C

[ Index of Refraction ]:
1.596

[ Storage condition ]:
-20°C

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Related Compounds

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