1-Methylcyclopropane-1-carboxylic acid supplier

Name
1-Methylcyclopropane-1-carboxylic acid
EINECS 230-020-7
CAS No. 6914-76-7
Article Data21
CAS DataBase
Density 1.193 g/cm³
Solubility Slightly soluble in water
Melting Point 30-32 °C(lit.)
Formula C5H8 O2
Boiling Point 183-185 °C(lit.)
Molecular Weight 100.117
Flash Point 184 °F
Transport Information UN 3261 8
Appearance WHITE TO YELLOW POWDER, CRYSTALS, CRYSTALLINE POWDER OR SOLID AND/OR CHUNKS
Safety 26-27-36/37/39-45
Risk Codes 34
Molecular Structure
Hazard Symbols C
Synonyms 1-Methylcyclopropane-1-carboxylicacid; 1-Methylcyclopropanecarboxylic acid; 1-Methylcyclopropanoic acid
PSA 37.30000
LogP 0.87110

Synthetic route

: 78104-88-8
1-Methylcyclopropancarbonsaeurenitril

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With sodium hydroxide for 3h; Heating;	99%
With sodium hydroxide for 3h; Reflux;	87%
With sodium hydroxide

: benzyl 2,2-dibromo-1-methylcyclopropylcarboxylate

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
Stage #1: benzyl 2,2-dibromo-1-methylcyclopropylcarboxylate With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water; toluene pH=1;	94.1%

: benzyl 2,2-dichloro-1-methylcyclopropylcarboxylate

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
Stage #1: benzyl 2,2-dichloro-1-methylcyclopropylcarboxylate With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water; toluene pH=1;	93.3%

: 1447-13-8
methyl 2,2-dichloro-1-methylcyclopropanecarboxylate

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
Stage #1: methyl 2,2-dichloro-1-methylcyclopropanecarboxylate With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water; toluene for 0.5h; pH=1;	93.1%

: 5365-21-9
2,2-dibromo-1-methylcyclopropanecarboxylic acid

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere;	92.7%

: 39647-01-3
methyl 2,2-dibromo-1-methylcyclopropanecarboxylate

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
Stage #1: methyl 2,2-dibromo-1-methylcyclopropanecarboxylate With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water; toluene pH=1;	92.7%

: 1447-14-9
2,2-dichloro-1-methylcyclopropanecarboxylic acid

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere;	92.6%

: 2,6-di(tert-butyl)-4-methylphenyl 1-methylcyclopropanecarboxylate

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With potassium tert-butylate; water In tetrahydrofuran for 36h; Heating;	87%

: 15910-91-5
1-methylcyclopropanecarboxamide

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With sodium hydroxide for 3h; Reflux;	86%

: 71441-76-4
1-methylcyclopropanecarboxylic acid ethyl ester

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
Stage #1: 1-methylcyclopropanecarboxylic acid ethyl ester With methanol; sodium hydroxide; water at 50 - 60℃; for 5h; Stage #2: With hydrogenchloride; water pH=1;	84%
Stage #1: 1-methylcyclopropanecarboxylic acid ethyl ester With sodium hydroxide In methanol at 60℃; Stage #2: With hydrogenchloride In methanol; water pH=2;

: 6206-25-3
methyl 1-methylcyclopropanecarboxylate

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With potassium hydroxide at 100℃; im Rohr;
(hydrolysis);
(saponification);
With hydrogenchloride; sodium hydroxide In methanol; 5,5-dimethyl-1,3-cyclohexadiene; water

: 124-38-9
carbon dioxide

: 5674-01-1
2-methylallylmagnesium chloride

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With water Irradiation;

: 1567-75-5
1-(1-methylcyclopropyl)ethanone

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With sodium hypobromide In water
With sodium hydroxide; sodium hypobromide; bromine

: 2214-14-4
(1-methylcyclopropyl)benzene

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With ozone

: 110419-17-5
lithium α-lithiocyclopropanecarboxylate

: 74-88-4
methyl iodide

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
In tetrahydrofuran 1.) -20 deg C, 2.) to room temp., 1 h;	32 % Spectr.

: 74-88-4
methyl iodide

: 1759-53-1
cyclopropanecarboxylic acid

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With lithium diisopropyl amide 1.) THF, 0 deg C, 10 min, 2.) room temperature, 1 h; Yield given. Multistep reaction;

: 16480-05-0
1-methylcyclopropanecarbonyl chloride

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With aluminium trichloride In benzene

: 186581-53-3, 908094-01-9
diazomethane

: 80-62-6
methacrylic acid methyl ester

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
(i), (ii) (alkaline hydrolysis); Multistep reaction;

: 861588-29-6
3-bromo-2-bromomethyl-2-methyl-propionic acid methyl ester

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: zinc dust; methanol 2: aqueous-methanolic KOH-solution / 100 °C / im Rohr View Scheme

: 1346641-14-2
C9H16O2

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
With hydrogenchloride; water In 1,4-dioxane at 20℃;

: 35749-17-8
2,2-dichloro-1-methylcyclopropylcarboxamide

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: sodium / toluene; ethanol; water; tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 2: sodium hydroxide / 3 h / Reflux View Scheme

: 122665-05-8
2,2-dibromo-1-metil-ciclopropilcarbossamide

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: sodium / toluene; ethanol; water; tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 2: sodium hydroxide / 3 h / Reflux View Scheme

: 35757-05-2
2,2-dichloro-1-methylcyclopropanecarbonitrile

: 6914-76-7
1-Methyl-cyclopropanoic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: sodium / toluene; ethanol; water / 1 h / 20 °C / Inert atmosphere 2: sodium hydroxide / 3 h / Reflux View Scheme

: 936369-18-5
4-{5-[3-(5-tert-butyl-2-p-tolyl-2H-pyrazol-3-yl)-ureido]-6-methyl-pyridin-2-yloxy}-piperidine-1-carboxylic acid tert-butyl ester

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 1-(5-tert-butyl-2-p-tolyl-2H-pyrazol-3-yl)-3-{2-methyl-6-[1-(1-methyl-cyclopropanecarbonyl)-piperidin-4-yloxy]-pyridin-3-yl}-urea

Conditions

Conditions	Yield
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane at 22℃; for 18h;	100%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 6638-79-5
N,O-dimethylhydroxylamine*hydrochloride

: 608537-49-1
N-methoxy-N,1-dimethylcyclopropane-1-carboxamide

Conditions

Conditions	Yield
Stage #1: 1-Methyl-cyclopropanoic acid With oxalyl dichloride In diethyl ether at 0 - 20℃; for 11h; Inert atmosphere; Stage #2: N,O-dimethylhydroxylamine*hydrochloride With pyridine In diethyl ether; chloroform at 0 - 20℃; for 23h; Inert atmosphere;	99%
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 2h;	75.6%
Stage #1: 1-Methyl-cyclopropanoic acid With 1,1'-carbonyldiimidazole In dichloromethane at 20℃; for 2h; Stage #2: N,O-dimethylhydroxylamine*hydrochloride	63%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 713531-19-2
1-methylcyclopropanecarboxylic acid [1-(cyanomethylcarbamoyl)-2-naphthalen-2-ylethyl]amide

Conditions

Conditions	Yield
Stage #1: 1-Methyl-cyclopropanoic acid With 1-hydroxybenzotriazole-6-sulfonamidomethyl polystyrene; benzotriazol-1-yloxytripyrrolidinophosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In DMF (N,N-dimethyl-formamide) at 20℃; for 10h; Stage #2: With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 20h;	98%
Stage #1: 1-Methyl-cyclopropanoic acid With 1-hydroxybenzotriazole-6-sulfonamidomethyl polystyrene; benzotriazol-1-yloxytripyrrolidinophosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In DMF (N,N-dimethyl-formamide) at 20℃; for 10h; Stage #2: With 1-hydroxybenzotriazole-6-sulfonamidomethyl polystyrene; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 20h;	98%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 16480-05-0
1-methylcyclopropanecarbonyl chloride

Conditions

Conditions	Yield
With thionyl chloride; N,N-dimethyl-formamide at -40 - 40℃; for 2h; Solvent; Temperature; Time; Reagent/catalyst;	96.8%
With thionyl chloride; N,N-dimethyl-formamide at 40℃; for 2h;	96.8%
With thionyl chloride for 3h; Heating;	95%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 147081-44-5
(3S)-3-amino-1-(tert-butoxycarbonyl)-pyrrolidine

: 887767-23-9
tert-butyl (3S)-3-{[(1-methylcyclopropyl)carbonyl]amino}pyrrolidine-1-carboxylate

Conditions

Conditions	Yield
Stage #1: 1-Methyl-cyclopropanoic acid; (3S)-3-amino-1-(tert-butoxycarbonyl)-pyrrolidine With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine In dichloromethane; ethyl acetate at 0 - 20℃; for 1h; Stage #2: With potassium carbonate In dichloromethane; water at 20℃; for 18h;	95%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: N-(4-(piperidin-4-yl)phenyl)isoindoline-2-carboxamide

: C25H29N3O2

Conditions

Conditions	Yield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide	95%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 2746-14-7
1-methylcyclopropanemethanol

Conditions

Conditions	Yield
With sodium tetrahydroborate; boron trifluoride diethyl etherate In tetrahydrofuran; diethyl ether at 20℃; for 2h;	92%
With sodium tetrahydroborate; boron trifluoride diethyl etherate In tetrahydrofuran at 20℃; for 72h;	70 g
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 18h; Inert atmosphere;
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 2h;

: 1126-09-6
4-carbethoxypiperidine

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 1198281-32-1
1-(1-Methyl-cyclopropanecarbonyl)-piperidine-4-carboxylic acid ethyl ester

Conditions

Conditions	Yield
Stage #1: 1-Methyl-cyclopropanoic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 1h; Stage #2: 4-carbethoxypiperidine In dichloromethane at 20℃;	92%
Stage #1: 1-Methyl-cyclopropanoic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 1h; Stage #2: 4-carbethoxypiperidine In dichloromethane at 20℃;	92%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 85342-65-0
N-hydroxy-3,4,5,6-tetrachlorophthalimide

: 4,5,6,7-tetrachloro-1,3-dioxoisoindolin-2-yl 1-methylcyclopropane-1-carboxylate

Conditions

Conditions	Yield
With dmap; diisopropyl-carbodiimide In dichloromethane	91%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 109-89-7
diethylamine

: 467426-60-4
1-methyl-cyclopropanecarboxylic acid diethylamide

Conditions

Conditions	Yield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 12h;	90%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: methyl 4-(5-methyl-2-((1-(piperidin-4-yl)-1H-pyrazol-4-yl)amino)pyrimidin-4-yl)benzoate hydrochloride

: methyl 4-(5-methyl-2-((1-(1-(1-methylcyclopropanecarbonyl)piperidin-4-yl)-1H-pyrazol-4-yl)amino)pyrimidin-4-yl)benzoate

Conditions

Conditions	Yield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 3h;	90%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: C13H18BrNO2S*ClH

: C18H24BrNO3S

Conditions

Conditions	Yield
With triethylamine; HATU In dichloromethane at 30℃; for 1h;	88.2%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 1332333-81-9
4-(4-bromophenyl)-5-[(3S)-3-pyrrolidinylmethyl]-2,4-dihydro-3H-1,2,4-triazol-3-one hydrochloride

: 1332333-87-5
4-(4-bromophenyl)-5-({(3S)-1-[(1-methylcyclopropyl)carbonyl]-3-pyrrolidinyl}methyl)-2,4-dihydro-3H-1,2,4-triazol-3-one

Conditions

Conditions	Yield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 4h; Inert atmosphere; Microwave irradiation; Capped vial;	87%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: (S)-dibenzyl 2-(2-(2-(benzyloxy)-2-oxoethoxy)-4-(5-((((R)-2-((R)-1-(N-hydroxyformamido)propyl)heptanamido)methyl)carbamoyl)furan-2-yl)benzamido)succinate

: (S)-dibenzyl 2-(2-(2-(benzyloxy)-2-oxoethoxy)-4-(5-((((R)-2-((R)-1-(N-((1-methylcyclopropanecarbonyl)oxy)formamido)propyl)heptanamido)methyl)carbamoyl)furan-2-yl)benzamido)succinate

Conditions

Conditions	Yield
With N-ethyl-N,N-diisopropylamine; HATU In acetonitrile for 1h;	87%

: (1S,4S)-3-oxo-2-oxa-5-azonia-bicyclo [2.2.1]heptane methanesulfonate

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 1434816-54-2
(1S,4S)-5-(1-methyl cyclopropanecarbonyl)-2-oxa-5-aza-bicyclo[2.2.1]heptan-3-one

Conditions

Conditions	Yield
Stage #1: 1-Methyl-cyclopropanoic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 2 - 20℃; for 1.5h; Stage #2: (1S,4S)-3-oxo-2-oxa-5-azonia-bicyclo [2.2.1]heptane methanesulfonate With triethylamine In dichloromethane at 2 - 20℃; for 1.16667h;	86%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 88887-87-0
1-methylcyclopropylamine hydrochloride

Conditions

Conditions	Yield
Stage #1: 1-Methyl-cyclopropanoic acid With diphenyl phosphoryl azide; triethylamine In tert-butyl alcohol at 20 - 75℃; for 16h; Stage #2: With hydrogenchloride In 1,4-dioxane; water for 3h;	85%
Stage #1: 1-Methyl-cyclopropanoic acid With diphenyl phosphoryl azide; triethylamine In tert-butyl alcohol at 75℃; Stage #2: With hydrogenchloride In 1,4-dioxane; water at 20℃; for 2h;	51%
Yield given. Multistep reaction;

: 103985-97-3
1-(4-methyl-5-thiazolyl)-1-phenylmethanol

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 1392233-75-8
1-methylcyclopropanecarboxylic acid (4-methyl-5-thiazolyl)-phenylmethyl ester

Conditions

Conditions	Yield
With dmap; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane	85%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 1520888-97-4
3-(piperidin-4-yl)-3,4-dihydro-1H-pyrano[4,3-c]isoquinolin-6(5H)-one

: 1520889-49-9
rac-2-[1-(1-methylcyclopropanecarbonyl)piperidin-4-yl]-1,2,4,10-tetrahydro-3-oxa-10-azaphenanthren-9-one

Conditions

Conditions	Yield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 4h; Inert atmosphere;	85%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 57260-71-6
1-t-Butoxycarbonylpiperazine

: tert-butyl 4-(1-methylcyclopropanecarbonyl)piperazine-1-carboxylate

Conditions

Conditions	Yield
With N-ethyl-N,N-diisopropylamine; O‐(1H‐benzotriazol‐1‐yl)‐N,N,N′,N′‐tetramethyluronium tetrafluoroborate In N,N-dimethyl-formamide at 0 - 20℃;	85%

: 6914-76-7
1-Methyl-cyclopropanoic acid

: 3-(m-tolylethynyl)-8-azabicyclo[3.2.1]octan-3-ol hydrochloride

: ((3r)-3-hydroxy-3-(m-tolylethynyl)-8-azabicyclo[3.2.1]octan-8-yl)(1-methylcyclopropyl)methanone

Conditions

Conditions	Yield
With HATU; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 2.5h;	83%

1-Methylcyclopropane-1-carboxylic acid Chemical Properties

IUPAC Name: 1-Methylcyclopropane-1-carboxylic acid
Molecular Formula: C₅H₈O₂
Molecular Weight: 100.12 g/mol
SMILES: C1(C(=O)O)(CC1)C
InChI: InChI=1/C5H8O2/c1-5(2-3-5)4(6)7/h2-3H2,1H3,(H,6,7)
EINECS: 230-020-7
Product Categories: Carboxylic Acids; Cyclopropanes; Simple 3-Membered Ring Compounds; Carboxylic Acids; Ring Systems; Cycloalkanes; C1 to C5; Carbonyl Compounds
XLogP3-AA: 0.6
H-Bond Donor: 1
H-Bond Acceptor: 2
Index of Refraction: 1.497
Molar Refractivity: 24.55 cm³
Molar Volume: 83.9 cm³
Polarizability: 9.73×10^-24cm³
Surface Tension: 46.4 dyne/cm
Density: 1.193 g/cm³
Flash Point: 84.4 °C
Enthalpy of Vaporization: 46.28 kJ/mol
Boiling Point: 183.5 °C at 760 mmHg
Melting Point: 30-32 °C(lit.)
Vapour Pressure of 1-Methylcyclopropanecarboxylic acid (CAS NO.6914-76-7): 0.352 mmHg at 25 °C

1-Methylcyclopropane-1-carboxylic acid Safety Profile

Hazard Codes: Corrosive C
Risk Statements: 34
R34: Causes burns.
Safety Statements: 26-27-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany: 3
Hazard Note of 1-Methylcyclopropanecarboxylic acid (CAS NO.6914-76-7): Corrosive

1-Methylcyclopropane-1-carboxylic acid Specification

1-Methylcyclopropanecarboxylic acid (CAS NO.6914-76-7), its Synonyms are 1-Methylcyclopropane-1-carboxylic acid ; Cyclopropanecarboxylic acid, 1-methyl- ; 1-Methyl cyclopropyl carboxylic acid .

Product Name

1-Methylcyclopropane-1-carboxylic acid

Synthetic route

1-Methylcyclopropane-1-carboxylic acid Chemical Properties

1-Methylcyclopropane-1-carboxylic acid Safety Profile

1-Methylcyclopropane-1-carboxylic acid Specification

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