D030
R(−)-2,10,11-Trihydroxy-N-propyl-noraporphine hydrobromide hydrate
solid
Synonym(s):
R(−)-2-OH-NPA HBr, R(−)-TNPA HBr
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About This Item
Empirical Formula (Hill Notation):
C19H21NO3 · HBr · xH2O
CAS Number:
Molecular Weight:
392.29 (anhydrous basis)
UNSPSC Code:
12352200
PubChem Substance ID:
MDL number:
SMILES string
Br.[H][C@]12Cc3ccc(O)c(O)c3-c4cc(O)cc(CCN1CCC)c24
form
solid
optical activity
[α]22/D −64°, c = 7 mg/mL in methanol(lit.)
color
light brown
solubility
alcohol: soluble (Solutions should be freshly prepared.), aqueous acid: moderately soluble (Solutions should be freshly prepared), aqueous base: insoluble
storage temp.
2-8°C
Gene Information
human ... DRD2(1813)
Biochem/physiol Actions
Potent, selective D2 dopamine receptor agonist.
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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E Chu et al.
Experimental eye research, 69(6), 611-616 (2000-01-06)
The purpose of this study was to correlate potential mechanisms with site(s) of action for TNPA-induced ocular hypotension. In response to R(-)-2, 10, 11-trihydroxy-N-propyl-noraporphine hydrobromide (TNPA, 75 microg), a D2 dopamine receptor agonist, the intraocular pressure decreased by 4.5 and
E A Jackson et al.
European journal of pharmacology, 87(1), 15-23 (1983-01-28)
The behavioral actions of some novel aporphines have been examined in rats with selective unilateral 6-hydroxydopamine (6OHDA)-induced destruction of nigrostriatal dopaminergic neurons, and in rats with bilateral 6OHDA-induced destruction of mesolimbic dopaminergic neurons. Dopaminomimetics such as apomorphine (APO) in these
Y G Gao et al.
Journal of medicinal chemistry, 33(6), 1800-1805 (1990-06-01)
Syntheses of (R)-(-)-2-methoxyapomorphine (R-8), its antipode S-8, and its (R)-(-)-N-n-propyl R-9 derivatives are described. The dopaminergic receptor affinities of these compounds and their 2-unsubstituted counterparts (R)-(-)-apomorphine (R(-)-APO, R-1), (S)-(+)-apomorphine (S(+)-APO, S-1), and (R)-(-)-N-n-propylnorapomorphine (R(-)-NPA, R-2), as well as those of
J L Neumeyer et al.
Journal of medicinal chemistry, 24(7), 898-899 (1981-07-01)
(-)-2,10,11-Trihydroxy-N-n-propylnoraporphine (TNPA,2c) has been synthesized from thebaine (3a), via northebaine (3b), normorphothebaine (2a), and alkylation to the N-propyl derivative 2b. O-Demethylation gave the desired product 2c. Compound 2c showed activity comparable to its 10,11-dihyroxy counterpart (NPA, 1b) on the stimulation
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