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517-66-8

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517-66-8 Usage

Description

Dicentrin, also known as D-Dicentrine, is a natural aporphine alkaloid predominantly found in the Lauraceae family of plants, particularly in Lindera megaphylla. It exhibits a range of biological activities, including antinociceptive, antitumor, and alpha 1-adrenoceptor antagonist properties.

Uses

Used in Pharmaceutical Industry:
Dicentrin is used as an antinociceptive agent for alleviating pain in a mouse model, potentially through a TRPA1-dependent mechanism. Its effectiveness in pain management makes it a valuable compound for the development of new pain relief medications.
Used in Anticancer Applications:
Dicentrin is utilized as an antitumor agent, specifically through the inhibition of topoisomerase II. This action contributes to its potential use in the development of cancer treatments, targeting various types of cancer cells.
Used in Urological Applications:
Dicentrin functions as an alpha 1-adrenoceptor antagonist, making it effective against human hyperplastic prostates. This application highlights its potential use in the treatment of benign prostatic hyperplasia (BPH) and other related urological conditions.

Anti-cancer Activity

D-Dicentrine, a naturally occurring aporphine type isoquinoline alkaloid, isolated from the root of Lindera megaphylla Hemsl. (Lauraceae), was evaluated for its potential anti-cancer activity. Huang RL etc. found d-dicentrine significantly inhibited the growth of human hepatoma cell line HuH-7 by delaying its doubling time in tissue culture. An in vitro colony forming assay showed that d-dicentrine decreased the colony formation efficiency in both hepatoma cell lines, HuH-7 and MS-G2, used in our study.

Check Digit Verification of cas no

The CAS Registry Mumber 517-66-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,1 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 517-66:
(5*5)+(4*1)+(3*7)+(2*6)+(1*6)=68
68 % 10 = 8
So 517-66-8 is a valid CAS Registry Number.
InChI:InChI=1/C20H21NO4/c1-21-5-4-11-7-17-20(25-10-24-17)19-13-9-16(23-3)15(22-2)8-12(13)6-14(21)18(11)19/h7-9,14H,4-6,10H2,1-3H3

517-66-8Synthetic route

(S)-methyl 10,11-dimethoxy-7a,8-dihydro-5H-[1,3]dioxolo[40,5’:4,5]benzo[1,2,3-de]benzo[g]quinoline-7(6H)-carboxylate

(S)-methyl 10,11-dimethoxy-7a,8-dihydro-5H-[1,3]dioxolo[40,5’:4,5]benzo[1,2,3-de]benzo[g]quinoline-7(6H)-carboxylate

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; Inert atmosphere;53%
With lithium aluminium tetrahydride In diethyl ether at 0℃;
demethyldicentrine
25394-59-6

demethyldicentrine

methyl iodide
74-88-4

methyl iodide

(S)-dicentrine
517-66-8

(S)-dicentrine

formaldehyd
50-00-0

formaldehyd

litseferine
60142-18-9

litseferine

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
(i) HCO2H, (ii) /BRN= 102415/, MeOH, Et2O; Multistep reaction;
(7aS)-10,11-dimethoxy-7-methyl-6,7,7a,8-tetrahydro-5H-benzo[g][1,3]dioxolo[4',5':4,5]benzo[1,2,3-de]quinolin-5c-ol; hydrochloride
72203-90-8

(7aS)-10,11-dimethoxy-7-methyl-6,7,7a,8-tetrahydro-5H-benzo[g][1,3]dioxolo[4',5':4,5]benzo[1,2,3-de]quinolin-5c-ol; hydrochloride

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
With hydrogenchloride; palladium on activated charcoal In acetic acid at 50 - 60℃; under 3102.9 Torr; for 4h;
(+-)-dicentrine

(+-)-dicentrine

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
With D-tartaric acid; L-Tartaric acid
(6aS)-actinodaphnine
517-69-1

(6aS)-actinodaphnine

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diethyl ether; methanol
View Scheme
3,4-methylenedioxyphenylethylamine
1484-85-1

3,4-methylenedioxyphenylethylamine

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-methyl-morpholine / N,N-dimethyl-formamide / 4 h / 0 - 20 °C / Inert atmosphere
2: trifluoromethylsulfonic anhydride; 2-chloropyridine / dichloromethane / 0.25 h / -78 - 0 °C / Inert atmosphere
3: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere
4: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere
5: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere
6: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
View Scheme
N-(2-(benzo[d] [1,3]dioxol-5-yl)ethyl)-2-(2-bromo-4,5-dimethoxyphenyl)acetamide
25829-00-9

N-(2-(benzo[d] [1,3]dioxol-5-yl)ethyl)-2-(2-bromo-4,5-dimethoxyphenyl)acetamide

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: trifluoromethylsulfonic anhydride; 2-chloropyridine / dichloromethane / 0.25 h / -78 - 0 °C / Inert atmosphere
2: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere
3: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere
4: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere
5: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
View Scheme
(S)-5-(2-bromo-4,5-dimethoxybenzyl)-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinoline

(S)-5-(2-bromo-4,5-dimethoxybenzyl)-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinoline

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere
2: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere
3: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
View Scheme
5-(2-bromo-4,5-dimethoxy-benzyl)-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline
80041-80-1

5-(2-bromo-4,5-dimethoxy-benzyl)-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere
2: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere
3: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere
4: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
View Scheme
(S)-methyl 5-(2-bromo-4,5-dimethoxybenzyl)-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline-6(5H)-carboxylate

(S)-methyl 5-(2-bromo-4,5-dimethoxybenzyl)-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline-6(5H)-carboxylate

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere
2: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
View Scheme
piperonal
120-57-0

piperonal

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1: acetic acid; ethylenediamine / 12 h / 70 °C / Molecular sieve; Inert atmosphere
2: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 12 h / 0 - 70 °C / Inert atmosphere
3: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-methyl-morpholine / N,N-dimethyl-formamide / 4 h / 0 - 20 °C / Inert atmosphere
4: trifluoromethylsulfonic anhydride; 2-chloropyridine / dichloromethane / 0.25 h / -78 - 0 °C / Inert atmosphere
5: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere
6: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere
7: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere
8: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
View Scheme
5-((E)-2-nitroethenyl)-1,3-benzodioxole
1485-00-3, 22568-48-5

5-((E)-2-nitroethenyl)-1,3-benzodioxole

(S)-dicentrine
517-66-8

(S)-dicentrine

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: lithium aluminium tetrahydride / tetrahydrofuran; diethyl ether / 12 h / 0 - 70 °C / Inert atmosphere
2: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-methyl-morpholine / N,N-dimethyl-formamide / 4 h / 0 - 20 °C / Inert atmosphere
3: trifluoromethylsulfonic anhydride; 2-chloropyridine / dichloromethane / 0.25 h / -78 - 0 °C / Inert atmosphere
4: triethylamine; formic acid; Noyori's catalyst / N,N-dimethyl-formamide / 24 h / 0 - 20 °C / Inert atmosphere
5: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 10 h / 20 °C / Inert atmosphere
6: palladium diacetate; potassium carbonate; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt / N,N-dimethyl acetamide / 8 h / 130 °C / Inert atmosphere
7: lithium aluminium tetrahydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
View Scheme
(S)-dicentrine
517-66-8

(S)-dicentrine

7a,8-dehydrodicentrine
19843-03-9

7a,8-dehydrodicentrine

Conditions
ConditionsYield
With potassium permanganate
3,5-dihydroxyphenol
108-73-6

3,5-dihydroxyphenol

sulfuric acid
7664-93-9

sulfuric acid

(S)-dicentrine
517-66-8

(S)-dicentrine

5.6-dioxy-2.3-dimethoxy-aporphine

5.6-dioxy-2.3-dimethoxy-aporphine

sodium acetate
127-09-3

sodium acetate

acetic anhydride
108-24-7

acetic anhydride

(S)-dicentrine
517-66-8

(S)-dicentrine

compound C22H23O5N

compound C22H23O5N

517-66-8Downstream Products

517-66-8Relevant articles and documents

Enantioselective synthesis and anti-parasitic properties of aporphine natural products

Amaral, Maiara,Anderson, Edward A.,McHugh, Eliza,Pieper, Pauline,Tempone, Andre G.

, (2019/12/09)

Chagas disease and visceral leishmaniasis are neglected protozoan diseases with significant impact in developing countries. Due to the limited number and toxicity of current therapies, new drug leads are urgently needed. In this work, four aporphine natural products were synthesized using an enantioselective, modular and convergent strategy, comprising eight steps in the longest linear sequence; key steps included Bischler-Napieralski cyclization/Noyori asymmetric reduction to construct the tetrahydroisoquinolines, and palladium-catalyzed arylation to close the C ring. Norglaucine, nordicentrine and dicentrine showed promising bioactivity against T. cruzi and L. infantum, suggesting potential for further development of these scaffolds as antiparasitic agents.

New aporphine alkaloids of Ocotea minarum

Vecchietti,Casagrande,Ferrari,Severini Ricca

, p. 829 - 840 (2007/10/04)

Fourteen aporphine alkaloids were isolated from the leaves of a Brazilian Lauracea, Ocotea minarum Nees (Mez). The known alkaloids were identified through their physico-chemical properties as: leucoxylonine (VII), dicentrine (IV), ocoteine (V), leucoxine (VI), ocopodine (VIII), predicentrine (IX), dicentrinone (XIV) and thalicminine (XV). Six new aporphine alkaloids were also isolated: ocotominarine (I), ocominarine (III), nor-leucoxylonine (XI), iso-oconovine (XII), 4-hydroxydicentrine (XIII) and ocominarone (XVI). Their structures were determined using spectroscopic methods and chemical correlations.

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