Product Name

  • Name

    Betamipron

  • EINECS
  • CAS No. 3440-28-6
  • Article Data24
  • CAS DataBase
  • Density 1.227 g/cm3
  • Solubility
  • Melting Point 132 °C
  • Formula C10H11 N O3
  • Boiling Point 469.2 °C at 760 mmHg
  • Molecular Weight 193.202
  • Flash Point 237.6 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 3440-28-6 (Betamipron)
  • Hazard Symbols
  • Synonyms 3-(Benzoylamino)propanoicacid; 3-(Benzoylamino)propionic acid; 3-Benzamidopropionic acid; Benzoyl-b-alanine; Betamipron; CS 443;N-Benzoyl-b-alanine; N-Benzoyl-b-aminopropionic acid; NSC 192714
  • PSA 66.40000
  • LogP 1.28200

Synthetic route

1-benzoyldeoxyvasicinone chloride

1-benzoyldeoxyvasicinone chloride

3-amino propanoic acid
107-95-9

3-amino propanoic acid

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
In benzene88.5%
N-benzoylaspartic acid
17966-68-6

N-benzoylaspartic acid

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
In acetone for 3h; Ambient temperature; Irradiation;80%
benzoyl chloride
98-88-4

benzoyl chloride

3-amino propanoic acid
107-95-9

3-amino propanoic acid

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
With sodium hydroxide for 6h;72.5%
With hydroxide64%
With sodium hydroxide; sodium carbonate
3-(Benzoylamino)propansaeureamid
3440-29-7

3-(Benzoylamino)propansaeureamid

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
With ammonium hydroxide at 150℃;
N-<2-Carboxy-ethyl>-α-phenyl-nitron
20897-15-8

N-<2-Carboxy-ethyl>-α-phenyl-nitron

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
With thionyl chloride
carbon dioxide
124-38-9

carbon dioxide

N-(2-chloro-ethyl)-benzamide
26385-07-9

N-(2-chloro-ethyl)-benzamide

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
With n-butyllithium; naphthalen-1-yl-lithium 1.) THF, ether, -78 deg C, 20 min 2.) THF, 5 h, -78 deg C; 3.) 20 deg C; Yield given. Multistep reaction;
carbon dioxide
124-38-9

carbon dioxide

N-lithio-N-(2-lithioethyl)benzamide
150932-87-9

N-lithio-N-(2-lithioethyl)benzamide

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
With water at -78 - 20℃; Yield given;
hydrogenchloride
7647-01-0

hydrogenchloride

6-ethoxy-2-phenyl-4H-[1,3]oxazine

6-ethoxy-2-phenyl-4H-[1,3]oxazine

A

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

B

3-amino propanoic acid
107-95-9

3-amino propanoic acid

3-Benzoylamino-propionic acid tert-butyl ester
114645-09-9

3-Benzoylamino-propionic acid tert-butyl ester

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
With trifluoroacetic acid for 0.5h;
N-benzoyl-β-lactam
69689-45-8

N-benzoyl-β-lactam

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
With sodium hydroxide at 30℃; Kinetics;
With P99 β-lactamase from Enterobacter cloacae In various solvent(s) at 30℃; pH=7; Enzyme kinetics;
benzoyl chloride
98-88-4

benzoyl chloride

tetrabutyl ammonium [Zn(2-thione-1,3-dithiole-4,5-dithiolate)2]

tetrabutyl ammonium [Zn(2-thione-1,3-dithiole-4,5-dithiolate)2]

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Et3N / 0.17 h / 20 °C
2: CF3CO2H / 0.5 h
View Scheme
N-(2-chloro-ethyl)-benzamide
26385-07-9

N-(2-chloro-ethyl)-benzamide

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: n-buthyl-lithium, lithium naphthalenide / tetrahydrofuran; diethyl ether / 4 h / -78 °C
2: H2O / -78 - 20 °C
View Scheme
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Et3N
2: NaOH / methanol
3: SOCl2
View Scheme
N-<2-Carbomethoxy-ethyl>-α-phenyl-nitron
20897-16-9

N-<2-Carbomethoxy-ethyl>-α-phenyl-nitron

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaOH / methanol
2: SOCl2
View Scheme
N-benzoyl-2-tert-butyl-6-oxo-1,3-oxazinane

N-benzoyl-2-tert-butyl-6-oxo-1,3-oxazinane

A

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

B

pivalaldehyde
630-19-3

pivalaldehyde

Conditions
ConditionsYield
With water
ethyl 3-benzamidopropanoate
49615-28-3

ethyl 3-benzamidopropanoate

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
With lithium hydroxide monohydrate In tetrahydrofuran; methanol; water at 0 - 20℃; for 3h;
benzoyl chloride
98-88-4

benzoyl chloride

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: triethylamine / dichloromethane / 0 - 20 °C
2: lithium hydroxide monohydrate / methanol; water; tetrahydrofuran / 3 h / 0 - 20 °C
View Scheme
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Phorbol 13,20-diacetate
41621-85-6

Phorbol 13,20-diacetate

3-Benzoylamino-propionic acid (1aR,1bS,4aR,7aS,7bS,8R,9R,9aS)-9a-acetoxy-3-acetoxymethyl-4a,7b-dihydroxy-1,1,6,8-tetramethyl-5-oxo-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-1H-cyclopropa[3,4]benzo[1,2-e]azulen-9-yl ester

3-Benzoylamino-propionic acid (1aR,1bS,4aR,7aS,7bS,8R,9R,9aS)-9a-acetoxy-3-acetoxymethyl-4a,7b-dihydroxy-1,1,6,8-tetramethyl-5-oxo-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-1H-cyclopropa[3,4]benzo[1,2-e]azulen-9-yl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane99%
methanol
67-56-1

methanol

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

methyl ester of 3-(N-benzoyl)aminopropionic acid
89928-06-3

methyl ester of 3-(N-benzoyl)aminopropionic acid

Conditions
ConditionsYield
With tert.-butylnitrite at 40℃; for 48h; Green chemistry;97%
With hydrogenchloride
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

L-isoleucine tert-butyl ester hydrochloride
69320-89-4

L-isoleucine tert-butyl ester hydrochloride

Bz-β-HoGly-L-Ile-O-t-Bu

Bz-β-HoGly-L-Ile-O-t-Bu

Conditions
ConditionsYield
With pentamethoxy tantalum; 1-(Trimethylsilyl)imidazole In neat (no solvent) at 40℃; for 48h; Inert atmosphere; Sealed tube;97%
L-Isoleucin-tert-butylester
16874-08-1

L-Isoleucin-tert-butylester

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

Bz-β-HoGly-L-Ile-O-t-Bu

Bz-β-HoGly-L-Ile-O-t-Bu

Conditions
ConditionsYield
With pentamethoxy tantalum; 1-(Trimethylsilyl)imidazole In neat (no solvent) at 40℃; for 48h; Inert atmosphere; Sealed tube;97%
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

copper(II) sulfate
7758-99-8

copper(II) sulfate

[Cu2(μ(2)-O2CCH2CH2NHCOC6H5)4]
409108-35-6, 60487-57-2

[Cu2(μ(2)-O2CCH2CH2NHCOC6H5)4]

Conditions
ConditionsYield
With NaOH In water org. ligand dissolved in H2O with NaOH; CuSO4 in H2O added; mixt. heatedfor 12 h at 50°C; ppt. filtered; washed (EtOH, Et2O); dried (vac.); elem. anal.;93%
N-hydroxyphthalimide
524-38-9

N-hydroxyphthalimide

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

1,3-dioxoisoindolin-2-yl 3-benzamidopropanoate

1,3-dioxoisoindolin-2-yl 3-benzamidopropanoate

Conditions
ConditionsYield
With dmap; diisopropyl-carbodiimide In tetrahydrofuran at 20℃; for 18h;91%
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

(2R)-bornane-10,2-sultam
94594-90-8

(2R)-bornane-10,2-sultam

N-(3-benzoylaminopropionyl) sultam

N-(3-benzoylaminopropionyl) sultam

Conditions
ConditionsYield
With 4-methyl-morpholine; sodium hydride; isobutyl chloroformate In 1,2-dimethoxyethane Acylation;81%
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

copper hydroxide
20427-59-2

copper hydroxide

diaquatetrakis(μ-benzoyl-α-alaninato)-dicopper(II)

diaquatetrakis(μ-benzoyl-α-alaninato)-dicopper(II)

Conditions
ConditionsYield
In propan-1-ol; water addn. of Cu(OH)2 to hot soln. of amino acid (water/n-propanol 1:3), heating (water-bath, 1 h); filtration, crystn. on standing (72 h);80%
2-(acetylamino)ethanethiol
1190-73-4

2-(acetylamino)ethanethiol

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

S-2-acetamidoethyl 3-benzamidopropanethioate
1147756-00-0

S-2-acetamidoethyl 3-benzamidopropanethioate

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 22 - 24℃; for 18h; Inert atmosphere;76.7%
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

1-(2,3,4-trimethoxybenzyl)piperazine
5011-34-7

1-(2,3,4-trimethoxybenzyl)piperazine

C24H31N3O5

C24H31N3O5

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃;72%
(E)-pyridin-2-ylmethylene-hydrazine
78539-98-7

(E)-pyridin-2-ylmethylene-hydrazine

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

pyridine-2-carbaldehyde 2-(N-benzoylamino)ethylcarbohydrazone

pyridine-2-carbaldehyde 2-(N-benzoylamino)ethylcarbohydrazone

Conditions
ConditionsYield
In ethanol for 1h; Heating;71%
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

benzyl 3-aminopropionate
14529-00-1

benzyl 3-aminopropionate

benzyl N-(N-benzoyl-β-alanyl)-β-alaninate
351352-70-0

benzyl N-(N-benzoyl-β-alanyl)-β-alaninate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane; N,N-dimethyl-formamide at 20℃;70%
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

3-(benzylamino)propan-1-ol
4720-29-0

3-(benzylamino)propan-1-ol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran 1.) 0 deg C, 30 min, 2.) room temperature, overnight, 3.) reflux, 9 h;67%
With lithium aluminium tetrahydride67%
3,6-dichlorpyridazine
141-30-0

3,6-dichlorpyridazine

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

N-[2-(3,6-dichloropyridazin-4-yl)ethyl]benzamide

N-[2-(3,6-dichloropyridazin-4-yl)ethyl]benzamide

Conditions
ConditionsYield
With ammonium persulfate; silver nitrate; trifluoroacetic acid In water at 75℃; Minisci reaction;67%
benzyl salicylate
118-58-1

benzyl salicylate

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

2-benzyloxycarbonylphenyl N-benzoyl-β-alaninate

2-benzyloxycarbonylphenyl N-benzoyl-β-alaninate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane for 12h;57%
menadione
58-27-5

menadione

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

N-(2-(3-methyl-1,4-dioxo-1,4-dihydronaphthalen-2-yl)ethyl)benzamide

N-(2-(3-methyl-1,4-dioxo-1,4-dihydronaphthalen-2-yl)ethyl)benzamide

Conditions
ConditionsYield
With ammonium peroxydisulfate; silver nitrate In water; acetonitrile42%
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

N-(2-(1H-benzimidazole-2-yl)ethyl)benzamide
107313-47-3

N-(2-(1H-benzimidazole-2-yl)ethyl)benzamide

Conditions
ConditionsYield
at 110℃; for 0.166667h;41%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

N-(2'-(8''-hydroxy-3''-methyl-1'',4''-dioxo-1,4-dihydronaphthalen-2''-yl)ethyl)benzamide

N-(2'-(8''-hydroxy-3''-methyl-1'',4''-dioxo-1,4-dihydronaphthalen-2''-yl)ethyl)benzamide

Conditions
ConditionsYield
With ammonium peroxydisulfate; silver nitrate In water; acetonitrile28%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

N-benzoyl-β-alanine trimethylsilanyl ester
18053-06-0

N-benzoyl-β-alanine trimethylsilanyl ester

Conditions
ConditionsYield
With pyridine; diethyl ether; formamide
ethanol
64-17-5

ethanol

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

ethyl 3-benzamidopropanoate
49615-28-3

ethyl 3-benzamidopropanoate

Conditions
ConditionsYield
With hydrogenchloride
(S)-methyl 2-amino-6-(benzyloxycarbonylamino)hexanoate
24498-31-5

(S)-methyl 2-amino-6-(benzyloxycarbonylamino)hexanoate

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

N2-(N-benzoyl-β-alanyl)-N6-benzyloxycarbonyl-L-lysine methyl ester

N2-(N-benzoyl-β-alanyl)-N6-benzyloxycarbonyl-L-lysine methyl ester

Conditions
ConditionsYield
With ethyl acetate; triethylamine; isobutyl chloroformate
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

phenylmagnesium bromide

phenylmagnesium bromide

N-(3-oxo-3-phenylpropyl)benzamide
31537-54-9

N-(3-oxo-3-phenylpropyl)benzamide

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

phenylmagnesium bromide

phenylmagnesium bromide

N-(3-hydroxy-3,3-diphenyl-propyl)-benzamide
60181-44-4

N-(3-hydroxy-3,3-diphenyl-propyl)-benzamide

N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

uvariadiamide
31991-78-3

uvariadiamide

Conditions
ConditionsYield
With methanol; sodium methylate Electrolysis;
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

3-(Benzoylamino)propansaeureamid
3440-29-7

3-(Benzoylamino)propansaeureamid

Conditions
ConditionsYield
With thionyl chloride Behandeln des erhaltenen Saeurechlorids mit Ammoniak in Chloroform;
N-benzoyl-beta-alanine
3440-28-6

N-benzoyl-beta-alanine

N-benzoyl-β-alanine-(3,4-dimethoxy-phenethylamide)
875838-20-3

N-benzoyl-β-alanine-(3,4-dimethoxy-phenethylamide)

Conditions
ConditionsYield
With thionyl chloride Behandeln des hergestellten Saeurechlorids mit 3,4-Dimethoxy-phenaethylamin in Aethylacetat;
Multi-step reaction with 3 steps
1: HCl
2: ethanol; N2H4+H2O
3: HNO2 / Behandeln des hergestellten Azids mit 3,4-Dimethoxy-phenaethylamin in Aether und Benzol
View Scheme

Betamipron Chemical Properties

Molecular Structure:

Molecular Formula: C10H11NO3
Molecular Weight: 193.1992
IUPAC Name: 3-Benzamidopropanoic acid
Synonyms of Betamipron (CAS NO.3440-28-6): Betamipron [INN:JAN] ; 3-(Benzoylamino)propionic acid ; 3-Benzamidopropionic acid ; 4-09-00-00796 (Beilstein Handbook Reference) ; BRN 2212769 ; Benzoyl-beta-alanine ; Betamipronum ; Betamipronum [INN-Latin] ; UNII-3W0M245736 ; N-Benzoyl-beta-alanine ; beta-Alanine, N-benzoyl-
CAS NO: 3440-28-6
Product Categories: Drug / Therapeutic Agent
Melting point: 69 °C 
Index of Refraction: 1.557
Molar Refractivity: 50.7 cm3
Molar Volume: 157.4 cm3
Surface Tension: 51.5 dyne/cm
Density: 1.227 g/cm3
Flash Point: 237.6 °C
Enthalpy of Vaporization: 77.07 kJ/mol
Boiling Point: 469.2 °C at 760 mmHg
Vapour Pressure of Betamipron (CAS NO.3440-28-6): 1.32E-09 mmHg at 25°C

Betamipron Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 intravenous 3496mg/kg (3496mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
Chemotherapy Vol. 39(Suppl,

Betamipron Safety Profile

WGK Germany of Betamipron (CAS NO.3440-28-6): 3
RTECS: AY3272500
HazardClass: IRRITANT

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