CAS No.42453-21-4,(D,L)-4-AMINO-2-METHYL-BUTANOIC ACID Suppliers

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(DL)-4-AMINO-2-METHYL-BUTANOIC ACIDCASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

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Synthetic route

: 120539-96-0
2-(3'-cyanobutyl)-1H-isoindole-1,3(2H)-dione

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
With hydrogenchloride for 14h; Heating;	75%

: 4-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-2-ethyl-butyronitrile

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
With hydrogenchloride Heating;	75%

: 732303-86-5
ethyl 2-methyl-4-phthalimidobutanoate

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
With hydrogenchloride; acetic acid at 140℃; for 18h;	65%

: 64-18-6
formic acid

: 2524-49-4
3-butene-1-amine

A: 42453-21-4
4-Amino-2-methylbutyric acid

B: 660-88-8
5-aminopentanoic acid

Conditions

Conditions	Yield
With hydrogen; oxygen In water for 3h;	A 38% B 4%

...Expand

: 64-18-6
formic acid

: 21035-54-1
crotylamine

A: 42453-21-4
4-Amino-2-methylbutyric acid

B: 4385-92-6
(±)-2-(aminomethyl)butanoic acid

Conditions

Conditions	Yield
With hydrogen; oxygen In water for 3h;	A 19% B 17%

...Expand

: 2555-05-7
3-methyl-2-pyrrolidinone

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
With hydrogenchloride
With hydrogenchloride Heating;

: 31137-74-3
(2S,4R)-4-methylglutamic acid

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
With pyridoxal 5'-phosphate at 32℃; for 46h; pyridine-HCl buffer (pH 4.5), glutamate decarboxylase; Yield given;

: 6141-27-1
(2S,4S)-4-methylglutamic acid

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
With pyridoxal 5'-phosphate at 32℃; for 22h; pyridine-HCl buffer (pH 4.5), glutamate decarboxylase; Yield given;

: 14561-55-8
D,L-erythro-γ-methylglutamate

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
With pyridoxal 5'-phosphate at 32℃; for 46h; pyridine-HCl buffer (pH 4.5), glutamate decarboxylase; Yield given;
With pyridoxal 5'-phosphate at 32℃; for 22h; pyridine-HCl buffer (pH 4.5), glutamate decarboxylase; Yield given;
Multi-step reaction with 3 steps 1: 1.) Et3N, 2.) CF3CO2H / 1.) H2O, room temperature, 2 h, 2.) CH2Cl2, 2.5 h 2: 91 percent / MgSO4 / 1 h / 37 °C / Tris buffer (pH 9), leucine aminopeptidase 3: pyridoxal phosphate / 46 h / 32 °C / pyridine-HCl buffer (pH 4.5), glutamate decarboxylase View Scheme

(+-)-2-methyl-4-phthalimido-butyric acid anilide: (+-)-2-methyl-4-phthalimido-butyric acid anilide

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
With hydrogen iodide; acetic acid

: 80-59-1
Tiglic acid

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1.1: 94 percent / p-toluenesulfonic acid / benzene / Heating 2.1: N-bromosuccinimide; dibenzoylperoxide / CCl4 / 18 h / Heating 2.2: dimethylformamide / 18 h / 140 °C 3.1: 98 percent / hydrogen / Pd on C / ethanol / 20 h / 3040 Torr 4.1: 65 percent / hydrochloric acid; acetic acid / 18 h / 140 °C View Scheme

: 5837-78-5
Ethyl tiglate

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1.1: N-bromosuccinimide; dibenzoylperoxide / CCl4 / 18 h / Heating 1.2: dimethylformamide / 18 h / 140 °C 2.1: 98 percent / hydrogen / Pd on C / ethanol / 20 h / 3040 Torr 3.1: 65 percent / hydrochloric acid; acetic acid / 18 h / 140 °C View Scheme

: 732303-84-3
ethyl 2-methyl-4-phthalimidobut-2-enoate

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 98 percent / hydrogen / Pd on C / ethanol / 20 h / 3040 Torr 2: 65 percent / hydrochloric acid; acetic acid / 18 h / 140 °C View Scheme

: 91307-53-8
L-leucyl-L-erythro-γ-methylglutamate

: 42453-21-4
4-Amino-2-methylbutyric acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 91 percent / MgSO4 / 1 h / 37 °C / Tris buffer (pH 9), leucine aminopeptidase 2: pyridoxal phosphate / 46 h / 32 °C / pyridine-HCl buffer (pH 4.5), glutamate decarboxylase View Scheme

: 42453-21-4
4-Amino-2-methylbutyric acid

: 2555-05-7
3-methyl-2-pyrrolidinone

Conditions

Conditions	Yield
With titanium(IV) isopropylate In 1,2-dichloro-ethane for 21h; Heating;	81%
With 2,2'-dipyridyldisulphide; triphenylphosphine In acetonitrile for 4.5h; Heating;	62%

: 85-44-9
phthalic anhydride

: 42453-21-4
4-Amino-2-methylbutyric acid

: 63987-58-6, 80640-62-6, 80640-63-7
rac-2-methyl-4-phthalimidobutanoic acid

Conditions

Conditions	Yield
at 140℃;

: 42453-21-4
4-Amino-2-methylbutyric acid

: 44565-27-7, 44565-28-8, 64070-19-5, 88390-32-3
4-amino-2-methyl-1-butanol

Conditions

Conditions	Yield
With tetrahydrofuran; lithium aluminium tetrahydride

: 42453-21-4
4-Amino-2-methylbutyric acid

: 44565-27-7, 44565-28-8, 64070-19-5, 88390-32-3
(R)-4-amino-2-methyl-1-butanol

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: 140 °C 2: quinine 3: N2H4+H2O; ethanol 4: lithium alanate; THF View Scheme

: 42453-21-4
4-Amino-2-methylbutyric acid

: 96192-37-9
(R)-2MeGABA

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 140 °C 2: quinine 3: N2H4+H2O; ethanol View Scheme

: 42453-21-4
4-Amino-2-methylbutyric acid

: 63987-58-6, 80640-62-6, 80640-63-7
(S)-2-methyl-4-phthalimido-butyric acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 140 °C 2: quinine View Scheme

: 42453-21-4
4-Amino-2-methylbutyric acid

: 63987-58-6, 80640-62-6, 80640-63-7
(R)-2-methyl-4-phthalimido-butyric acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 140 °C 2: quinine View Scheme

: 42453-21-4
4-Amino-2-methylbutyric acid

: 108758-87-8
(S)-2-methyl-4-phthalimido-butyryl chloride

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 140 °C 2: quinine 3: thionyl chloride View Scheme

: 42453-21-4
4-Amino-2-methylbutyric acid

: N-((S)-5-diazo-3-methyl-4-oxo-pentyl)-phthalimide

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: 140 °C 2: quinine 3: thionyl chloride 4: diethyl ether View Scheme

: 42453-21-4
4-Amino-2-methylbutyric acid

: N-(5-diazo-3-methyl-4-oxo-pentyl)-phthalimide

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 140 °C 2: thionyl chloride / und Behandeln des Reaktionsprodukts mit Diazomethan in Aether View Scheme

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