ChemicalBook--->CAS DataBase List--->118909-22-1

118909-22-1

118909-22-1 Structure

118909-22-1 Structure
IdentificationBack Directory
[Name]

9-AMINO-1,2,3,4-TETRAHYDRO-ACRIDIN-1-OL, MALEATE
[CAS]

118909-22-1
[Synonyms]

HP-029
Mentane
P 83-6029A
Velnacrine maleate
HYDROXYTACRINE MALEATE
Velnacrine maleate [usan]
1-hydroxy tacrine Maleate
Velnacrine Maleate(HP-029)
HYDROXYTACRINE MALEATE SALT
Velnacrine Hydrogen Maleate
9-AMINO-1,2,3,4-TETRAHYDRO-ACRIDIN-1-OL, MALEATE
(±)-9-Amino-1,2,3,4-tetrahydroacridin-1-ol, HP-029
9-Amino-1-hydroxy-1,2,3,4-tetrahydroacridine maleate
9-AMINO-1,2,3,4-TETRAHYDRO-ACRIDINE-1-(2H)-OL MALEATE
9-AMino-1,2,3,4-tetrahydro-1-acridinol (2Z)-2-Butenedioate
9-Amino-1,2,3,4-tetrahydroacridin-1-ol maleate, 9-Amino-1,2,3,4-tetrahydroacridin-1-ol (2Z)-but-2-enedioate
[Molecular Formula]

C17H18N2O5
[MDL Number]

MFCD00069287
[MOL File]

118909-22-1.mol
[Molecular Weight]

330.34
Chemical PropertiesBack Directory
[Melting point ]

171-173
[storage temp. ]

-20°C Freezer
[solubility ]

Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
[form ]

White solid.
[color ]

Pale Beige to Beige
[Stability:]

Store in freezer at -20°C
Safety DataBack Directory
[Hazard Codes ]

T
[Hazard Note ]

Toxic
[HS Code ]

2933998090
[Toxicity]

LD50 in mice (mg/kg): 136 orally; 162 i.p. (Shutske 1988, 1989)
Hazard InformationBack Directory
[Originator]

Velnacrine maleate SM 10.888,Hoechst-Roussel (Aventis) Sumitimo JPN
[Uses]

A potential Alzheimer Disease therapeutic of low toxicity. Exhibits biochemical and pharmacological profile similar to THA except that it is far less toxic and without measurable liver toxicity in humans
[Uses]

A potential Alzheimer's Disease therapeutic of low toxicity. Exhibits biochemical and pharmacological profile similar to THA except that it is far less toxic and without measurable liver toxicity in humans.
[Manufacturing Process]

In 100 ml of tetrahydrofuran was added 5.00 g of 9-amino-3,4-dihydroacridin- 1(2)-one. The mechanically stirred suspension was cooled to -5°C and 21.4 ml (1 eq.) of 1.1 M LiAlH 4 solution in ether was added dropwise. After completion of the addition, the reaction mixture was stirred further for 2 hours, whereupon the reaction complete based on thin chromatography analysis. The LiAlH 4 was neutralized with 2 ml of saturated NH 4 Cl and the salts were dissolved with 30% potassium hydroxide. The insoluble product was filtered off and rinsed with water. The precipitate was then dissolved in 3 N hydrochloric acid and the residual insoluble salts filtered off. The acid solution washed with ethyl acetate and made basic (pH 9) with 10% sodium hydroxide. The precipitated product was filtered and washed with water. After drying at 80°C under vacuum overnight, 4.15 g (82%) of (+/-)-9-amino- 1,2,3,4-tetrahydro-1-acridinol was obtained, melting point 245°C. (+/-)-9- Amino-1,2,3,4-tetrahydro-1-acridinol maleate has melting point 171-173°C.
[Brand name]

Mentane (Hoechst-Roussel).
[Therapeutic Function]

Cholinesterase inhibitor, Cognition activator
[Biological Activity]

Cholinesterase inhibitor. Potential Alzheimer's disease therapeutic.
[References]

[1]. d. muoz-torrero. acetylcholinesterase inhibitors as disease-modifying therapies for alzheimer’s disease. curr. med. chem. 15, 2433-2455 (2008).
[2]. e. giacobini. cholinesterase inhibitors for alzheimer’s disease therapy: from tacrine to future applications. neurochemistry international 32, 413-419(1998).
[3]. birks j s. cholinesterase inhibitors for alzheimer's disease[j]. the cochrane library, 2006.
[4]. peng j z, remmel r p, sawchuk r j. inhibition of murine cytochrome p4501a by tacrine: in vitro studies[j]. drug metabolism and disposition, 2004, 32(8): 805-812.
[5]. acetylcholine and choline effects on erythrocyte nitrite and nitrate levels.
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