- Cyclopropylboronic acid
- Cyclopropylboronic acid pinacol ester
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Cas Database |
| Name |
Cyclopropylboronic acid |
EINECS | 609-890-0 |
| CAS No. | 411235-57-9 | Density | 1.11 g/cm3 |
| PSA | 40.46000 | LogP | -0.37680 |
| Solubility | N/A | Melting Point |
90-95 °C(lit.) |
| Formula | C3H7BO2 | Boiling Point | 205.1 °C at 760 mmHg |
| Molecular Weight | 85.8984 | Flash Point | 77.9 °C |
| Transport Information | N/A | Appearance | white powder |
| Safety | 26-36 | Risk Codes | 22 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
Cyclopropylbronic acid;Cyclopropylboronic acid,monohydrate;Boronic acid, cyclopropyl- (9ci); |
Article Data | 13 |
Cyclopropylboronic acid Synthetic route
- 74-85-1
ethene
- 411235-57-9
cyclopropylboronic acid
| Conditions | Yield |
|---|---|
| Stage #1: formyl boronic acid; 3,5-dinitro-p-toluenesulfonylhydrazide In methanol Reflux; Stage #2: With n-butyllithium In tetrahydrofuran at 0℃; for 0.5h; Stage #3: ethene Reagent/catalyst; Solvent; Further stages; | 92% |
- 186581-53-3, 908094-01-9
diazomethane
- 75927-49-0
pinacol vinylboronate
- 411235-57-9
cyclopropylboronic acid
| Conditions | Yield |
|---|---|
| Stage #1: diazomethane; pinacol vinylboronate With palladium diacetate In tert-butyl methyl ether Inert atmosphere; Stage #2: With sodium periodate In tetrahydrofuran; water at 20℃; for 0.05h; Reagent/catalyst; Temperature; | 86% |
| Conditions | Yield |
|---|---|
| Stage #1: diiodomethane; pinacol vinylboronate With diethylzinc at 60℃; for 12h; Inert atmosphere; Stage #2: With 2,2'-iminobis[ethanol] at 55℃; for 4h; Solvent; Temperature; Reagent/catalyst; | 82% |
- 411235-57-9
cyclopropylboronic acid
| Conditions | Yield |
|---|---|
| In water at 20℃; for 1h; Reagent/catalyst; | 77% |
- 23719-80-4
cyclopropylmagnesium bromide
- 411235-57-9
cyclopropylboronic acid
| Conditions | Yield |
|---|---|
| Stage #1: cyclopropylmagnesium bromide With Trimethyl borate In tetrahydrofuran at -78 - 20℃; for 7h; Stage #2: With hydrogenchloride for 1h; | 56% |
- 1104637-36-6
cyclopropylboronic acid methyliminodiacetic acid ester
- 411235-57-9
cyclopropylboronic acid
| Conditions | Yield |
|---|---|
| With sodium hydroxide In tetrahydrofuran; water at 23℃; for 0.333333h; | 53% |
| Conditions | Yield |
|---|---|
| Stage #1: Trimethyl borate; cyclopropylmagnesium bromide In tetrahydrofuran at -78 - 20℃; Stage #2: With hydrogenchloride In tetrahydrofuran; water | 27% |
- 1404118-58-6
C5H11BO2
- 411235-57-9
cyclopropylboronic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride; water for 1h; |
- 1104637-36-6
cyclopropylboronic acid methyliminodiacetic acid ester
- 7732-18-5
water
- 411235-57-9
cyclopropylboronic acid
| Conditions | Yield |
|---|---|
| In not given hydrolysis of appropriate N-methyliminodiacetic acid boronate; |
| Conditions | Yield |
|---|---|
| With glass or DBU or Cs2CO3 In tetrahydrofuran; water Kinetics; hydrolysis at 55°C in THF/H2O in the presence of glass powder or DBU or Cs2CO3; not isolated; |
Cyclopropylboronic acid Chemical Properties
The Molecular Structure of Cyclopropylboronic acid (CAS NO.411235-57-9):
Empirical Formula: C3H7BO2
Molecular Weight: 85.8975
Nominal Mass: 86 Da
Average Mass: 85.8975 Da
Monoisotopic Mass: 86.05391 Da
Index of Refraction: 1.442
Molar Refractivity: 20.4 cm3
Molar Volume: 76.9 cm3
Surface Tension: 34.5 dyne/cm
Density: 1.11 g/cm3
Flash Point: 77.9 °C
Enthalpy of Vaporization: 51.35 kJ/mol
Boiling Point: 205.1 °C at 760 mmHg
Vapour Pressure: 0.0606 mmHg at 25°C
Melting Point: 90-95°C
Storage temp: Store below -20°C
Product Categories: BORONICACID;blocks;BoronicAcids;Boronic Acids & Esters;Cyclopropyl;Organoborons;Boronic acid;CHIRAL CHEMICALS;Boronic Acids & Esters;Ring Systems;Alkyl;Boronic Acids;Boronic Acids and Derivatives
Cyclopropylboronic acid Safety Profile
Hazard Codes: 
Xn
Risk Statements: 22
R22: Harmful if swallowed
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36: Wear suitable protective clothing
WGK Germany: 3
HazardClass: IRRITANT, IRRITANT-HARMFUL
Cyclopropylboronic acid Specification
Cyclopropylboronic acid (CAS NO.411235-57-9) can be called as Cyclopropylboronic acid,monohydrate ; Boronic acid, cyclopropyl- (9ci) ; Cyclopropylboronic ; cyclopropylboronic acid 95% .
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