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81148-15-4

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Basic Information
CAS No.: 81148-15-4
Name: ALS 8123
Article Data: 3
Molecular Structure:
Molecular Structure of 81148-15-4 (ALS 8123)
Formula: C15H23 N O4
Molecular Weight: 281.352
Synonyms: ASL 8123;Esmolol acid
Density: 1.139g/cm3
Boiling Point: 486.1°C at 760 mmHg
Flash Point: 247.8°C
PSA: 78.79000
LogP: 1.83240
Related products
Synthetic route
81161-17-3

esmolol hydrochloride

81148-15-4

3-<4-<2-hydroxy-3-(isopropylamino)propoxy>phenyl>propionic acid

Conditions
ConditionsYield
Stage #1: esmolol hydrochloride With bis(tri-n-butyltin)oxide In toluene for 48h; Reflux;
Stage #2: With water In toluene for 0.25h; Reflux;		50%
With sodium hydroxide at 100℃; for 16h;
With water at 55℃; for 168 - 672h; pH=2.24 - 3.86; Reactivity;
With water In benzyl alcohol at 55℃; for 168 - 672h; pH=2.24 - 3.89; Reactivity;
With water In benzyl alcohol at 55℃; for 168 - 672h; pH=4.6; Reactivity; Buffer;
501-97-3

4-hydroxyphenylpropionic acid

81148-15-4

3-<4-<2-hydroxy-3-(isopropylamino)propoxy>phenyl>propionic acid

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: Acidic conditions; Reflux
2.1: potassium carbonate / acetone / Reflux
3.1: methanol / Reflux
4.1: bis(tri-n-butyltin)oxide / toluene / 48 h / Reflux
4.2: 0.25 h / Reflux
View Scheme
5597-50-2

3-(4-hydroxyphenyl)propionic acid methyl ester

81148-15-4

3-<4-<2-hydroxy-3-(isopropylamino)propoxy>phenyl>propionic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: potassium carbonate / acetone / Reflux
2.1: methanol / Reflux
3.1: bis(tri-n-butyltin)oxide / toluene / 48 h / Reflux
3.2: 0.25 h / Reflux
View Scheme
81147-94-6

methyl 3-<4-(2,3-epoxypropoxy)phenyl>propionate

81148-15-4

3-<4-<2-hydroxy-3-(isopropylamino)propoxy>phenyl>propionic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: methanol / Reflux
2.1: bis(tri-n-butyltin)oxide / toluene / 48 h / Reflux
2.2: 0.25 h / Reflux
View Scheme
81148-15-4

3-<4-<2-hydroxy-3-(isopropylamino)propoxy>phenyl>propionic acid

83356-60-9

3-<4-<2-hydroxy-3-(isopropylamino)propoxy>phenyl>propionic acid hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In methanol
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