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3-Amino-5-methoxyisoxazole

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Name

3-Amino-5-methoxyisoxazole

EINECS N/A
CAS No. 32326-25-3 Density 1.243 g/cm3
PSA 61.28000 LogP 0.84660
Solubility N/A Melting Point N/A
Formula C4H6N2O2 Boiling Point 282.2 °C at 760 mmHg
Molecular Weight 114.104 Flash Point 124.5 °C
Transport Information N/A Appearance N/A
Safety Risk Codes N/A
Molecular Structure Molecular Structure of 32326-25-3 (3-Amino-5-methoxyisoxazole) Hazard Symbols N/A
Synonyms

Isoxazole,3-amino-5-methoxy- (8CI);5-Methoxyisoxazol-3-amine;

Article Data 2

3-Amino-5-methoxyisoxazole Synthetic route

15732-02-2

1-cyano-2,2-bis(methoxy)ethylene

32326-25-3

3-amino-5-methoxyisoxazole

Conditions
ConditionsYield
With sodium hydroxide; hydroxylamine hydrochloride In methanol at 45 - 60℃; for 7h;75%
With sodium hydroxide; hydroxylamine hydrochloride In methanol; water70.6%
122-51-0

orthoformic acid triethyl ester

32326-25-3

3-amino-5-methoxyisoxazole

5-methoxy-3-(1H-tetrazol-1-yl)isoxazole

Conditions
ConditionsYield
With sodium azide In neat (no solvent) at 90℃; for 0.666667h; Reagent/catalyst; Green chemistry;91%

C20H20F3NO4S

32326-25-3

3-amino-5-methoxyisoxazole

1-(2-(5-methoxyisoxazol-3-yl-amino)ethyl)-7-(trifluoromethyl)-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one

Conditions
ConditionsYield
With potassium hydrogencarbonate In methanol for 8h; Reflux;88%
333-20-0

potassium thioacyanate

79-22-1

methyl chloroformate

32326-25-3

3-amino-5-methoxyisoxazole

149196-71-4

(5-methoxycarbonylamino-[1,2,4]thiadiazol-3-yl)-acetic acid methyl ester

Conditions
ConditionsYield
In acetonitrile 1.) 70 deg C, 30 min; 2.) 5 deg C, 10 min then 20 deg C, 15 min;86%
1.) MeCN, 70 deg C, 30 min, 2.) MeCN, a) 5 deg C, 10 min, b) RT, 15 min; Yield given. Multistep reaction;
333-20-0

potassium thioacyanate

541-41-3

chloroformic acid ethyl ester

32326-25-3

3-amino-5-methoxyisoxazole

150215-07-9

methyl 2-(5-ethoxycarbonylamino-1,2,4-thiadiazol-3-yl)acetate

Conditions
ConditionsYield
In acetonitrile 1.) 70 deg C, 30 min; 2.) 5 deg C, 10 min then 20 deg C, 15 min;83%
1.) MeCN, 70 deg C, 30 min, 2.) MeCN, a) 5 deg C, 10 min, b) RT, 15 min; Yield given. Multistep reaction;
79-22-1

methyl chloroformate

32326-25-3

3-amino-5-methoxyisoxazole

149196-71-4

(5-methoxycarbonylamino-[1,2,4]thiadiazol-3-yl)-acetic acid methyl ester

Conditions
ConditionsYield
In acetonitrile80.6%
541-41-3

chloroformic acid ethyl ester

32326-25-3

3-amino-5-methoxyisoxazole

150215-07-9

methyl 2-(5-ethoxycarbonylamino-1,2,4-thiadiazol-3-yl)acetate

Conditions
ConditionsYield
In acetonitrile78.9%
333-20-0

potassium thioacyanate

1885-14-9

phenyl chloroformate

32326-25-3

3-amino-5-methoxyisoxazole

150215-08-0

methyl 2-(5-phenoxycarbonylamino-1,2,4-thiadiazol-3-yl)acetate

Conditions
ConditionsYield
In acetonitrile 1.) 70 deg C, 30 min; 2.) 5 deg C, 10 min then 20 deg C, 15 min;60%
1.) MeCN, 70 deg C, 30 min, 2.) MeCN, a) 5 deg C, 10 min, b) RT, 15 min; Yield given. Multistep reaction;
532-55-8

Benzoyl isothiocyanate

32326-25-3

3-amino-5-methoxyisoxazole

methyl 2-(5-phenylcarbonylamino-1,2,4-thiadiazol-3-yl)acetate

Conditions
ConditionsYield
In tetrahydrofuran; ethanol57.7%
1885-14-9

phenyl chloroformate

32326-25-3

3-amino-5-methoxyisoxazole

150215-08-0

methyl 2-(5-phenoxycarbonylamino-1,2,4-thiadiazol-3-yl)acetate

Conditions
ConditionsYield
In acetonitrile57.4%

3-Amino-5-methoxyisoxazole Specification

The IUPAC name of 3-Amino-5-methoxyisoxazole is 5-methoxy-1,2-oxazol-3-amine. With the CAS registry number 32326-25-3, it is also named as 3-Isoxazolamine,5-methoxy-. In addition, its molecular formula is C4H6N2O2 and its molecular weight is 114.10.

The other characteristics of 3-Amino-5-methoxyisoxazole can be summarized as: (1)ACD/LogP: -1.30; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.3; (4)ACD/LogD (pH 7.4): -1.3; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 4.65; (8)ACD/KOC (pH 7.4): 4.65; (9)#H bond acceptors: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 38.5 Å2; (13)Index of Refraction: 1.512; (14)Molar Refractivity: 27.55 cm3; (15)Molar Volume: 91.7 cm3; (16)Polarizability: 10.92×10-24cm3; (17)Surface Tension: 45.2 dyne/cm; (18)Density: 1.243 g/cm3; (19)Flash Point: 124.5 °C; (20)Enthalpy of Vaporization: 52.11 kJ/mol; (21)Boiling Point: 282.2 °C at 760 mmHg; (22)Vapour Pressure: 0.0034 mmHg at 25 °C.

People can use the following data to convert to the molecule structure.
(1)SMILES: COc1cc(N)no1
(2)InChI: InChI=1/C4H6N2O2/c1-7-4-2-3(5)6-8-4/h2H,1H3,(H2,5,6)
(3)InChIKey: PVDLBNRYTGXVPC-UHFFFAOYAO
(4)Std. InChI: InChI=1S/C4H6N2O2/c1-7-4-2-3(5)6-8-4/h2H,1H3,(H2,5,6)
(5)Std. InChIKey: PVDLBNRYTGXVPC-UHFFFAOYSA-N

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