Product Name

  • Name

    5-TERT-BUTYL-2-HYDROXY-BENZALDEHYDE

  • EINECS
  • CAS No. 2725-53-3
  • Article Data66
  • CAS DataBase
  • Density 1.072
  • Solubility
  • Melting Point 100-103 °C
  • Formula C11H14O2
  • Boiling Point 252.054 °C at 760 mmHg
  • Molecular Weight 178.231
  • Flash Point 103.964 °C
  • Transport Information
  • Appearance
  • Safety 23-24/25
  • Risk Codes
  • Molecular Structure Molecular Structure of 2725-53-3 (5-TERT-BUTYL-2-HYDROXY-BENZALDEHYDE)
  • Hazard Symbols
  • Synonyms Salicylaldehyde,5-tert-butyl- (6CI,7CI);2-Hydroxy-5-tert-butylbenzaldehyde;5-(1,1-Dimethylethyl)salicylaldehyde;5-tert-Butyl-2-hydroxybenzaldehyde;5-tert-Butylsalicylaldehyde;
  • PSA 37.30000
  • LogP 2.50220

Synthetic route

formaldehyd
50-00-0

formaldehyd

para-tert-butylphenol
98-54-4

para-tert-butylphenol

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Conditions
ConditionsYield
With triethylamine; magnesium chloride In acetonitrile for 3h; Heating;98%
With triethylamine; magnesium chloride In acetonitrile for 3h; Reflux;98%
With triethylamine; magnesium chloride In acetonitrile for 8h; Reflux;96%
para-tert-butylphenol
98-54-4

para-tert-butylphenol

hexamethylenetetramine
100-97-0

hexamethylenetetramine

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Conditions
ConditionsYield
With trifluoroacetic acid at 80℃; for 24h; Inert atmosphere;61.06%
Stage #1: para-tert-butylphenol; hexamethylenetetramine With trifluoroacetic acid at 120℃; for 0.5h; Microwave irradiation;
Stage #2: With water; potassium carbonate
46%
With trifluoroacetic acid for 1.5h; Heating;29%
With acetic acid
With boric acid; glycerol
chloroform
67-66-3

chloroform

para-tert-butylphenol
98-54-4

para-tert-butylphenol

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Conditions
ConditionsYield
With sodium hydroxide In water for 8h; Inert atmosphere; Reflux;42.5%
With sodium hydroxide In methanol; water at 65℃; for 2h;27.3%
With sodium hydroxide In methanol; water at 65 - 70℃; for 3h;25%
2-aminomethyl-4-tert-butyl-phenol
81441-06-7

2-aminomethyl-4-tert-butyl-phenol

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Conditions
ConditionsYield
With hexamethylenetetramine In acetic acid for 4h; Heating;17%
para-tert-butylphenol
98-54-4

para-tert-butylphenol

(CH2O)x

(CH2O)x

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Conditions
ConditionsYield
Stage #1: para-tert-butylphenol With magnesium methanolate In methanol; toluene for 1h; Heating;
Stage #2: (CH2O)x In toluene at 110℃; for 3h;
Stage #3: With sulfuric acid In toluene at 60℃; for 1.5h;
para-tert-butylphenol
98-54-4

para-tert-butylphenol

CH3MgO

CH3MgO

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Conditions
ConditionsYield
In methanol; toluene for 3h; Heating;
phenol
108-95-2

phenol

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: zinc chloride / 180 °C
2: NaOH; water
View Scheme
ethanol
64-17-5

ethanol

para-tert-butylphenol
98-54-4

para-tert-butylphenol

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Conditions
ConditionsYield
With chloroform; potassium hydroxide In water at 60℃; for 15h; Reimer-Tiemann Phenol Formylation;
formaldehyd
50-00-0

formaldehyd

2-tert-Butylphenol
88-18-6

2-tert-Butylphenol

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Conditions
ConditionsYield
With triethylamine; magnesium chloride In tetrahydrofuran for 5h; Inert atmosphere; Reflux;
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

5-(tert-butyl)-2-((tert-butyldimethylsilyl)oxy)benzaldehyde
1108723-71-2

5-(tert-butyl)-2-((tert-butyldimethylsilyl)oxy)benzaldehyde

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide for 15h;100%
With 1H-imidazole In dichloromethane at 0℃; Sealed tube;
With 1H-imidazole In dichloromethane at 0℃; Sealed tube;
With dmap; triethylamine In dichloromethane at 20℃; for 24h; Inert atmosphere;
With 1H-imidazole In N,N-dimethyl-formamide
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

5-(tert-butyl)-2-hydroxybenzaldehyde oxime
50849-50-8

5-(tert-butyl)-2-hydroxybenzaldehyde oxime

Conditions
ConditionsYield
With pyridine; hydroxylamine hydrochloride In ethanol at 60℃; for 3h;100%
With hydroxylamine hydrochloride; sodium acetate In ethanol; water for 3h; Reflux;37%
With hydroxylamine hydrochloride; sodium hydrogencarbonate In ethanol; water for 4h; Reflux;
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

N-(ethoxymethyl)-N-hexylhexan-1-amine

N-(ethoxymethyl)-N-hexylhexan-1-amine

5-tert-butyl-3-[(dihexylamino)methyl]-2-hydroxybenzaldehyde
494769-72-1

5-tert-butyl-3-[(dihexylamino)methyl]-2-hydroxybenzaldehyde

Conditions
ConditionsYield
In acetonitrile for 90h; Reflux; Inert atmosphere;99.1%
In acetonitrile for 72h; Heating;
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

3-nitro-5-tert-butyl-2-hydroxybenzaldehyde
85943-75-5

3-nitro-5-tert-butyl-2-hydroxybenzaldehyde

Conditions
ConditionsYield
With (NO)+18-crown-6-H(NO3)2 In ethyl acetate at 20℃; for 5h;99%
Stage #1: 2-hydroxy-5-t-butylbenzaldehyde With nitronium tetrafluoborate In acetonitrile at -30 - -15℃; for 1h;
Stage #2: With sodium hydrogencarbonate In water; ethyl acetate
94%
With nitric acid In acetic acid at 20℃; for 2h;61%
formaldehyd
50-00-0

formaldehyd

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

3-(bromomethyl)-5-(tert-butyl)-2-hydroxybenzaldehyde
367965-70-6

3-(bromomethyl)-5-(tert-butyl)-2-hydroxybenzaldehyde

Conditions
ConditionsYield
With sulfuric acid; hydrogen bromide at 70℃; for 96h;99%
With sulfuric acid; water; hydrogen bromide at 70℃; for 20h;98%
With sulfuric acid; hydrogen bromide In water at 70℃; for 24h;98%
formaldehyd
50-00-0

formaldehyd

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

3-(chloromethyl)-5-(tert-butyl)-2-hydroxybenzaldehyde

3-(chloromethyl)-5-(tert-butyl)-2-hydroxybenzaldehyde

Conditions
ConditionsYield
With hydrogenchloride; sulfuric acid at 70℃; for 20h; Inert atmosphere;99%
With hydrogenchloride; sulfuric acid In water at 70℃; for 120h; Inert atmosphere;96%
With hydrogenchloride; sulfuric acid; water at 70℃; for 45h;93%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

dimethylcarbamic acid 2-formyl-4-tert-butylphenyl ester
1581705-40-9

dimethylcarbamic acid 2-formyl-4-tert-butylphenyl ester

Conditions
ConditionsYield
With tert.-butylhydroperoxide; copper(l) chloride at 80℃; for 0.25h;99%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

vinylmagnesium chloride
3536-96-7

vinylmagnesium chloride

4-(tert-butyl)-2-(1-hydroxyallyl)phenol

4-(tert-butyl)-2-(1-hydroxyallyl)phenol

Conditions
ConditionsYield
In tetrahydrofuran at -78 - 20℃; for 0.5h; Inert atmosphere;99%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

1,4-bis(bromomethyl)-2,3,5,6-tetramethylbenzene
35168-64-0

1,4-bis(bromomethyl)-2,3,5,6-tetramethylbenzene

6,6'-((2,3,5,6-tetramethyl-1,4-phenylene)dimethylenedioxy)bis(3-(tert-butyl)dibenzaldehyde)

6,6'-((2,3,5,6-tetramethyl-1,4-phenylene)dimethylenedioxy)bis(3-(tert-butyl)dibenzaldehyde)

Conditions
ConditionsYield
With potassium carbonate In acetone for 10h; Reflux;99%
With potassium carbonate In acetone Inert atmosphere;99%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

C28H24N2S

C28H24N2S

C39H36N2OS

C39H36N2OS

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 24h; Reflux;98.6%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

5-tert-butyl-2-(methoxymethoxy)benzaldehyde
611227-43-1

5-tert-butyl-2-(methoxymethoxy)benzaldehyde

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 2h;98%
With sodium hydroxide; Aliquat 336 In dichloromethane; water at -10℃; for 0.5h;88%
Stage #1: 2-hydroxy-5-t-butylbenzaldehyde With sodium hydride In tetrahydrofuran; mineral oil for 0.166667h;
Stage #2: chloromethyl methyl ether In tetrahydrofuran; toluene; mineral oil at 0 - 20℃; for 6h;
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

4-(tert-butyl)-2-(hydroxymethyl)phenol
6638-87-5

4-(tert-butyl)-2-(hydroxymethyl)phenol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol at 20℃; Inert atmosphere;98%
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; Schlenk technique; Reflux;95%
Stage #1: 2-hydroxy-5-t-butylbenzaldehyde With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; C6H13ClO2Si; triethylamine In dichloromethane at 0 - 20℃; Inert atmosphere;
Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran; dichloromethane Inert atmosphere;
77%
With sodium tetrahydroborate In methanol at 0 - 20℃; for 16h;67.6%
With methanol; sodium tetrahydroborate at 20℃; for 1h; Inert atmosphere;
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

N-Phenylhydroxylamine
100-65-2

N-Phenylhydroxylamine

C17H19NO2

C17H19NO2

Conditions
ConditionsYield
for 0.1h; microwave irradiation;98%
(2-aminomethylpyridine)
3731-51-9

(2-aminomethylpyridine)

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

4-tert-butyl-2-{[(pyridin-2-ylmethyl)amino]methyl}phenol
790224-67-8

4-tert-butyl-2-{[(pyridin-2-ylmethyl)amino]methyl}phenol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol Inert atmosphere;98%
Stage #1: 2-(Aminomethyl)pyridine; 2-hydroxy-5-t-butylbenzaldehyde In ethanol at 60℃; for 10h;
Stage #2: With sodium tetrahydroborate In methanol; ethanol for 3h;
64%
tetrahydrofuran
109-99-9

tetrahydrofuran

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

5-tert-butyl-2-(tetrahydrofuran-2-yloxy)benzaldehyde
1581231-20-0

5-tert-butyl-2-(tetrahydrofuran-2-yloxy)benzaldehyde

Conditions
ConditionsYield
With tert.-butylhydroperoxide; copper(l) chloride In water at 100℃;98%
With tert.-butylhydroperoxide; diiron nonacarbonyl In decane at 110℃; chemoselective reaction;72%
N-(3-methylphenyl)hydroxylamine
620-25-7

N-(3-methylphenyl)hydroxylamine

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

C18H21NO2

C18H21NO2

Conditions
ConditionsYield
for 0.116667h; microwave irradiation;97%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

2,5-dibromomethyl-p-xylene
35168-62-8

2,5-dibromomethyl-p-xylene

C32H38O4

C32H38O4

Conditions
ConditionsYield
With potassium carbonate In acetone for 10h; Reflux; Inert atmosphere;97%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

dimethyl 2,2’-diamino-[1,1’-biphenyl]-4,4’-dicarboxylate
23933-57-5

dimethyl 2,2’-diamino-[1,1’-biphenyl]-4,4’-dicarboxylate

C38H40N2O6

C38H40N2O6

Conditions
ConditionsYield
With formic acid In ethanol at 20℃; for 48h;97%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

Trimethylenediamine
109-76-2

Trimethylenediamine

2-((E)-(3-((E)-5-tert-butyl-2-hydroxybenzylideneamino)propylimino)methyl)-4-tert-butylphenol

2-((E)-(3-((E)-5-tert-butyl-2-hydroxybenzylideneamino)propylimino)methyl)-4-tert-butylphenol

Conditions
ConditionsYield
In ethanol for 1.5h; Reflux;96.1%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

N-(4-methylphenyl)hydroxylamine
623-10-9

N-(4-methylphenyl)hydroxylamine

C18H21NO2

C18H21NO2

Conditions
ConditionsYield
for 0.116667h; microwave irradiation;96%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

N-(4-chlorophenyl)hydroxylamine
823-86-9

N-(4-chlorophenyl)hydroxylamine

C17H18ClNO2

C17H18ClNO2

Conditions
ConditionsYield
for 0.1h; microwave irradiation;96%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

benzyl bromide
100-39-0

benzyl bromide

2-(benzyloxy)-5-tert-butylbenzaldehyde
796047-09-1

2-(benzyloxy)-5-tert-butylbenzaldehyde

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 40℃; for 5h;96%
With potassium carbonate In N,N-dimethyl-formamide
With potassium carbonate In acetone at 20℃; for 8h; Schlenk technique; Glovebox;
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

methyl iodide
74-88-4

methyl iodide

5-tert-butyl-2-methoxybenzaldehyde
85943-26-6

5-tert-butyl-2-methoxybenzaldehyde

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 20h;96%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 20h; Inert atmosphere;94%
In acetonitrile at 20℃;94%
With potassium carbonate In N,N-dimethyl-formamide at 23℃; for 13h; Inert atmosphere;
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

(2S)-3-exo-aminoisoborneol
41719-73-7

(2S)-3-exo-aminoisoborneol

(1R,2S,3R,4S)-(+)-3-[(2-hydroxy-5-tert-butyllbenzylidene)amino]isoborneol

(1R,2S,3R,4S)-(+)-3-[(2-hydroxy-5-tert-butyllbenzylidene)amino]isoborneol

Conditions
ConditionsYield
With sodium sulfate In methanol; dichloromethane for 12h; Inert atmosphere; Reflux;96%
(1S,2R)-2-Amino-1,2-diphenylethanol
23364-44-5

(1S,2R)-2-Amino-1,2-diphenylethanol

2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

(1S,2R)-tBu(OH)(C6H3)CHN(CHPh)2OH
1383616-98-5

(1S,2R)-tBu(OH)(C6H3)CHN(CHPh)2OH

Conditions
ConditionsYield
With sodium sulfate In methanol at 20℃; for 15h;96%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

C12H16N2
857776-15-9

C12H16N2

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

C25H27F3N2O2

C25H27F3N2O2

Conditions
ConditionsYield
Stage #1: 2-hydroxy-5-t-butylbenzaldehyde; C12H16N2 In chloroform at -40℃; for 8h; Molecular sieve;
Stage #2: trifluoroacetic anhydride In chloroform at -40℃; Molecular sieve;
96%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

1,5,9-triamino-2,3,6,7,10,11-hexabutoxybenzophenanthrene

1,5,9-triamino-2,3,6,7,10,11-hexabutoxybenzophenanthrene

C63H63N3O6

C63H63N3O6

Conditions
ConditionsYield
Stage #1: 2-hydroxy-5-t-butylbenzaldehyde; 1,5,9-triamino-2,3,6,7,10,11-hexabutoxybenzophenanthrene With 1-methyl-pyrrolidin-2-one; trifluorormethanesulfonic acid at 120℃; for 12h; Pictet-Spengler Synthesis;
Stage #2: With potassium carbonate at 120℃; for 12h;
96%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

3-bromo-5-tert-butyl-2-hydroxy-benzaldehyde
119646-68-3

3-bromo-5-tert-butyl-2-hydroxy-benzaldehyde

Conditions
ConditionsYield
With bromine; sodium acetate; acetic acid at 50℃; for 12h;95%
With bromine; sodium acetate In acetic acid at 50℃; for 12h;95%
With bromine; acetic acid at 50℃; for 18h;93%
2-hydroxy-5-t-butylbenzaldehyde
2725-53-3

2-hydroxy-5-t-butylbenzaldehyde

i-C3H7-Mg-X

i-C3H7-Mg-X

4-tert-Butyl-2-(1-hydroxy-2-methyl-propyl)-phenol
96126-92-0

4-tert-Butyl-2-(1-hydroxy-2-methyl-propyl)-phenol

Conditions
ConditionsYield
In diethyl ether for 2h; Ambient temperature;95%

5-tert-Butyl-2-hydroxybenzaldehyde Specification

The 5-tert-Butylsalicylaldehyde with cas registry number of 2725-53-3 is a kind of Aromatic compounds. Both its systematic name and IUPAC name are the same which is called 5-tert-butyl-2-hydroxybenzaldehyde. This chemical has irritation. Therefore, avoid contact with skin and eyes. And do not breathe vapour.

The physical properties about this chemical are: (1)ACD/LogP: 3.44; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.443; (4)ACD/LogD (pH 7.4): 3.402; (5)ACD/BCF (pH 5.5): 243.676; (6)ACD/BCF (pH 7.4): 221.363; (7)ACD/KOC (pH 5.5): 1777.984; (8)ACD/KOC (pH 7.4): 1615.178; (9)#H bond acceptors: 2#H bond donors: 1; (10)#Freely Rotating Bonds: 3; (11)Index of Refraction: 1.554; (12)Molar Refractivity: 53.275 cm3; (13)Molar Volume: 166.217 cm3; (14)Surface Tension: 39.003 dyne/cm; (15)Density: 1.072 g/cm3; (16)Flash Point: 103.964 °C; (17)Enthalpy of Vaporization: 50.918 kJ/mol; (18)Boiling Point: 252.054 °C at 760 mmHg; (19)Vapour Pressure: 0.012 mmHg at 25°C ; (20)Refractive index: n20/D 1.539(lit.).

Preparation of 5-tert-Butylsalicylaldehyde: it can be made by reaction of formaldehyde with 4-tert-butyl-phenol. The reaction will need reagents triethylamine, anhyd. MgCl2 and solvent acetonitrile at the condition of heating. The reaction time is 3 hours with 98% yield.

Uses of 5-tert-Butylsalicylaldehyde: it react with 2,2-dimethoxy-propane to produce 6-tert-butyl-2,4-dimethoxy-2-methyl-chroman. The reaction is a type of Condensation which needs reagent I2 and solvent CH2Cl2 with reaction time of 0.5 hour. The yield is about 83%.

You can still convert the following datas into molecular structure:
(1)SMILES: CC(C)(C)c1ccc(c(c1)C=O)O;
(2)InChI: InChI=1/C11H14O2/c1-11(2,3)9-4-5-10(13)8(6-9)7-12/h4-7,13H,1-3H3;
(3)InChIKey: ZVCQQLGWGRTXGC-UHFFFAOYAF

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