(S)-7-(methoxycarbonyl)-2-methyl-5-oxo-5,6,7,8-tetrahydroimidazo[1,5-c] pyrimidin-2-ium iodide
His(1-CH3)
Conditions | Yield |
---|---|
With hydrogenchloride Heating; | 99% |
Nα-Trityl-Nτ-methyl-L-histidin
His(1-CH3)
Conditions | Yield |
---|---|
With acetic acid In water; ethyl acetate for 1h; Heating; | 71% |
Conditions | Yield |
---|---|
With ammonia; sodium |
(S)-2-Amino-3-{5-[5-((S)-2-amino-2-carboxy-ethyl)-3-methyl-3H-imidazol-4-yldisulfanyl]-1-methyl-1H-imidazol-4-yl}-propionic acid
His(1-CH3)
Conditions | Yield |
---|---|
With nickel In ethanol for 0.5h; Heating; |
1-methyl<2-(3)H>-L-histidine
His(1-CH3)
Conditions | Yield |
---|---|
With methylmercuric nitrate In water at 85℃; Rate constant; Mechanism; effect of pH; variation of concentration of MeHgNO3; |
N-[(1,1-dimethylethoxy)carbonyl]-3-[(phenylmethoxy)methyl]-L-histidine
methyl iodide
His(1-CH3)
Conditions | Yield |
---|---|
With hydrogenchloride 1.) (DMF), 24 h, room temp., 2.) reflux, 24 h; Multistep reaction; |
N(α)-benzyloxycarbonyl-N(ϖ)-t-butoxymethyl-L-histidine methyl ester
methyl iodide
A
3-methyl-L-histidine
B
His(1-CH3)
Conditions | Yield |
---|---|
With hydrogenchloride 1.) (DMF), 24 h, room temp., 2.) reflux, 24 h; Multistep reaction; |
N(α)-benzyloxycarbonyl-N(ϖ)-(2-methoxyethoxy)methyl-L-histidine methyl ester
methyl iodide
His(1-CH3)
Conditions | Yield |
---|---|
Multistep reaction; |
N(α)-benzyloxycarbonyl-N(ϖ)-(2-trimethylsilylethoxy)methyl-L-histidine methyl ester
methyl iodide
A
3-methyl-L-histidine
B
His(1-CH3)
Conditions | Yield |
---|---|
With hydrogenchloride 1.) (DMF), 24 h, room temp., 2.) reflux, 24 h; Multistep reaction; |
N(α)-benzyloxycarbonyl-N(τ)-(2-trimethylsilylethoxy)methyl-L-histidine methyl ester
methyl iodide
A
3-methyl-L-histidine
B
His(1-CH3)
Conditions | Yield |
---|---|
With hydrogenchloride 1.) (DMF), 24 h, room temp., 2.) reflux, 24 h; Multistep reaction; |
Conditions | Yield |
---|---|
With hydrogenchloride 1.) (DMF), 24 h, room temp., 2.) reflux, 24 h; Multistep reaction; |
His(1-CH3)
Conditions | Yield |
---|---|
With (2)H8O4Pd(2+); deuteroperchloric acid In water-d2 at 40℃; Rate constant; |
N(α)-benzyloxycarbonyl-N(τ)-tert-butyloxycarbonyl-L-histidine methyl ester
His(1-CH3)
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 81 percent / CH2Cl2 / 1.) 0 deg C, 1 h, 2.) room temp., 3 h View Scheme |
Z-His-OMe
His(1-CH3)
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 27 percent / triethylamine / ethyl acetate / 1.) 0 deg C, 1 h, 2.) room temp., 6 h. 2: 2.) 'constant boiling' hydrochloric acid / 1.) (DMF), 24 h, room temp., 2.) reflux, 24 h View Scheme |
L-5-sulfanyl-1-methylhistidine
His(1-CH3)
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: air, iodide / H2O / 24 h 2: Raney Nickel / aq. ethanol / 0.5 h / Heating View Scheme |
n-butyllithium
His(1-CH3)
(S)-methyl 2-amino-3-(1-methyl-1H-imidazol-4-yl)propanoate
Conditions | Yield |
---|---|
With hydrogenchloride at 20℃; | 95% |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 0℃; Reflux; | 80% |
His(1-CH3)
(S)-2-Amino-3-{5-[5-((S)-2-amino-2-carboxy-ethyl)-3-methyl-3H-imidazol-4-yldisulfanyl]-1-methyl-1H-imidazol-4-yl}-propionic acid
Conditions | Yield |
---|---|
Stage #1: His(1-CH3) With hydrogenchloride; N-Bromosuccinimide In water at 1℃; for 0.05h; Stage #2: With tiolacetic acid In water at 0℃; for 0.5h; Stage #3: With 3-mercaptopropionic acid In water at 100℃; for 20h; | 65% |
His(1-CH3)
[αR-2H]-Nτ-methylhistamine
Conditions | Yield |
---|---|
With histidine decarboxylase; pyridoxal 5'-phosphate; water-d2 at 37℃; for 192h; pH=4.7; aq. phosphate buffer; Enzymatic reaction; | 58% |
Conditions | Yield |
---|---|
With hydrogenchloride 1) RT, overnight, 2) 3h, steam-bath; | 45% |
His(1-CH3)
[αR-3H]-Nτ-methylhistamine
Conditions | Yield |
---|---|
With (1)H,(3)H-water; histidine decarboxylase; pyridoxal 5'-phosphate at 37℃; for 192h; pH=4.7; aq. phosphate buffer; Enzymatic reaction; | 35% |
Conditions | Yield |
---|---|
In chloroform for 1h; Heating; |
Conditions | Yield |
---|---|
In methanol |
bufotalin 3-hemisuberate p-nitrophenyl ester
His(1-CH3)
bufotalin 3-suberoyl-L-3-methylhistidine ester
Conditions | Yield |
---|---|
In pyridine; water for 12h; Ambient temperature; | 11 mg |
His(1-CH3)
1-methyl<2-(3)H>-L-histidine
Conditions | Yield |
---|---|
With tritium oxide at 85℃; for 408h; |
Conditions | Yield |
---|---|
With thionyl chloride at 0℃; for 3h; Heating / reflux; |
His(1-CH3)
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 95 percent / HCl gas / 20 °C 2: ethyl acetate / 24 h / 20 °C View Scheme |
His(1-CH3)
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 95 percent / HCl gas / 20 °C 2: ethyl acetate / 24 h / 20 °C View Scheme |
His(1-CH3)
(S)-3-(1-Methyl-1H-imidazol-4-yl)-2-[((R)-3-oxo-cyclopentanecarbonyl)-amino]-propionic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 95 percent / HCl gas / 20 °C 2: ethyl acetate / 24 h / 20 °C 3: 0.5N NaOH / methanol / 0.5 h / 20 °C View Scheme |
His(1-CH3)
(S)-3-(1-Methyl-1H-imidazol-4-yl)-2-[((S)-3-oxo-cyclopentanecarbonyl)-amino]-propionic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 95 percent / HCl gas / 20 °C 2: ethyl acetate / 24 h / 20 °C 3: 0.5N NaOH / methanol / 0.5 h / 20 °C View Scheme |
His(1-CH3)
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 95 percent / HCl gas / 20 °C 2: ethyl acetate / 24 h / 20 °C 3: 0.5N NaOH / methanol / 0.5 h / 20 °C 4: 36 percent / HOBt; DCC / dimethylformamide / 0.8 h / 20 °C View Scheme |
His(1-CH3)
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 95 percent / HCl gas / 20 °C 2: ethyl acetate / 24 h / 20 °C 3: 0.5N NaOH / methanol / 0.5 h / 20 °C 4: 23 percent / HOBt; DCC / dimethylformamide / 0.8 h / 20 °C View Scheme |
The L-Histidine, 1-methyl-, with the CAS registry number 332-80-9, is also known as 3-(1-Methylimidazol-4-yl)-L-alanine. It belongs to the product categories of Pharmaceutical Raw Materials; Histidine [His, H]; Amino Acids and Derivatives; Amino Acids Methyl; Ethyl; t-Butyl Series. Its EINECS registry number is 206-368-0. This chemical's molecular formula is C7H11N3O2 and molecular weight is 169.18. What's more, its IUPAC name is (2S)-2-Amino-3-(1-methylimidazol-4-yl)propanoic acid and systematic name is called 1-Methyl-L-histidine.
Physical properties about L-Histidine, 1-methyl- are:(1) ACD/LogP: -1.31; (2) # of Rule of 5 Violations: 0; (3) ACD/LogD (pH 5.5): -4.37; (4) ACD/LogD (pH 7.4): -3.88; (5) ACD/BCF (pH 5.5): 1; (6) ACD/BCF (pH 7.4): 1; (7) ACD/KOC (pH 5.5): 1; (8) ACD/KOC (pH 7.4): 1; (9) #H bond acceptors: 5; (10) #H bond donors: 3; (11) #Freely Rotating Bonds: 4; (12) Polar Surface Area: 47.36 Å2; (13) Index of Refraction: 1.613; (14) Molar Refractivity: 42.69 cm3; (15) Molar Volume: 122.6 cm3; (16) Surface Tension: 55.4 dyne/cm; (17) Density: 1.37 g/cm3; (18) Flash Point: 204.8 °C; (19) Enthalpy of Vaporization: 70.43 kJ/mol; (20) Boiling Point: 415 °C at 760 mmHg; (21) Vapour Pressure: 1.25E-07 mmHg at 25 °C; (22) Melting Point: 240 °C.
When you are dealing with this chemical, you should be very careful. This chemical is irritating to eyes, respiratory system, skin and may cause inflammation to the skin or other mucous membranes. The gas of this chemical can not be breathed. Therefore, you should wear suitable protective clothing and avoid contacting with skin and eyes. And in case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1) SMILES: O=C(O)[C@@H](N)Cc1ncn(c1)C
(2) InChI: InChI=1/C7H11N3O2/c1-10-3-5(9-4-10)2-6(8)7(11)12/h3-4,6H,2,8H2,1H3,(H,11,12)/t6-/m0/s1
(3) InChIKey: BRMWTNUJHUMWMS-LURJTMIEBU
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View