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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantiti

L-Threonine

Cas:72-19-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: L-Threonine CAS No.:72-19-5 Molecule Formula:C4H9NO3 Molecule Weight:119.1192 Purity: 99.6% Package: 25kg/drum Description:White flake crystalline powder Manufacture Standards: USP Items

Lower Price L-Threonine

Cas:72-19-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

SJZ THLD IMP & EXP CO LTD

L-threonine feed grade 98.5% --- Functions: 1). an essential amino acid that is added to the diet of pigs and poultry in order to exactly match the… Appearance:White to Off White Powder Storage:cool and dry place Package:25kg/bag Applicatio

L-Threonine

Cas:72-19-5

Min.Order:5 Metric Ton

Negotiable

Type:Trading Company

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White powder Conform Assay % 99.0-100.5

High purity L-Tyrosine with high quality cas:72-19-5

Cas:72-19-5

Min.Order:1 Kilogram

FOB Price: $3.0 / 20.0

Type:Manufacturers

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality L-Threonine supplier in China

Cas:72-19-5

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

Hot Sale L-Threonine/72-19-5 Product name:L-Threonine CAS:72-19-5 Shelf life:2 years Quality: TOP Appearance:Solid powder Storage:Sealed,light and oxygen resistant Package:Foil bag or drum Application:Applied in dietary supplements,p

L-Threonine

Cas:72-19-5

Min.Order:1 Kilogram

FOB Price: $40.0 / 50.0

Type:Other

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Jinan Finer Chemical Co., Ltd

Product description: Product name L-Threonine CAS number 72-19-5 Assay ≥99% Appearance White powder Capacity 100mt/year Application Organic intermediate More informa

L-Threonine

Cas:72-19-5

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages of L-Threonine Cas 72-19-5 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystal or crystalline powder Storage:cool dry place Package:25kg/drum Ap

Manufacturer high quality L-Threonine Cas 72-19-5 with good price

Cas:72-19-5

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Hefei TNJ chemical industry co.,ltd

Superiority Service we can provide: 1. Mixed container: We can mix different items in one container. 2. Quality control: Before shipment, we can provide free sample for test. Inspection before shipping. 3. Packing: We can pack acco

Good quality L-Threonine//cas 72-19-5

Cas:72-19-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

L-threonine is a product of white crystals or crystalline powder. Good appearance, uniform particles, good liquidity, and no static, easy for adding and mixing. No smell, taste a bit sweet and will be melting at a temperature approx 253 ~ 256 ℃ . B

L-Threonine

Cas:72-19-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply L-threonine

Cas:72-19-5

Min.Order:1

Negotiable

Type:Other

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality Food Grade L-Threonine 72-19-5 HACCP Manufacturer

Cas:72-19-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

L-Threonine 72-19-5

Cas:72-19-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

99% L-Threonine Amino Acid Powder Threonine CAS 72-19-5

Cas:72-19-5

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

L-Threonine CAS NO.72-19-5

Cas:72-19-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Trading Company

inquiry

Chemwill Asia Co., Ltd.

L-Threonine CAS 72-19-5 H-Thr-OH L-2-Amino-3-hydroxybutyric acid CAS no 72-19-5 L-(-)-Threonine (2S,3R)-2-Amino-3-hydroxybutyric acid L-Threonine Manufacturer High quality Best price In stock factory CAS 72-19-5 L-Threonine COA TDS price MSDS

Hubei DiBo chemical co., LTD

Name:L-Threonine CAS NO:72-19-5 Grade:Medical scientific research and export Molecular formula:C4H9NO3 Molecular weight:119.1192 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data sto

L-Threonine/cas:72-19-5/Raw material spot

Cas:72-19-5

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Competitive Price High Quality Fast Delivery custom-made Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble me

L-Threonine 72-19-5

Cas:72-19-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

L-Threonine 72-19-5

Cas:72-19-5

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

New production CAS 72-19-5 with best quality

Cas:72-19-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

L-Threonine

Cas:72-19-5

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

L-Threonine CAS No.:72-19-5 Molecular formula:C9H11NO2 Molecular weight: 119.12 Property:White crystal or crystalline powder, odorless, slightly sweet taste, melting point 253 ℃ decomposition, soluble in water, insoluble in ethanol. Use:

L-Threonine

Cas:72-19-5

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO

L-threonine manufacturer/supplier

Cas:72-19-5

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:yellow powder Storage:2-8°C Package:25kg/drum Application:1.Threonine is an important nutritional supplement which could fortify cereals, pastries, dairy products, restore the body as fatigue, and promote growth and development like try

L-Threonine with high quality

Cas:72-19-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

High Quality Feed Grade L-Threonine Competitive Price L-Threonine 98.5%

Cas:72-19-5

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

L-Threonine 72-19-5

Cas:72-19-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Low Price High Quality L-Threonine raw powder Nutrition Enhancers Feed Grade L-Threonine powder

Cas:72-19-5

Min.Order:10 Gram

FOB Price: $3.5

Type:Trading Company

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

High quality feed grade L-Threonine 99% CAS 72-19-5

Cas:72-19-5

Min.Order:1 Kilogram

FOB Price: $40.0 / 50.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply High quality L-Threonine CAS 72-19-5 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China and ex

High quality L-Threonine CAS 72-19-5

Cas:72-19-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanxi Ankesi Biotechnology Co., Ltd

Our Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual

98% L-Threonine powder with good price CAS 72-19-5

Cas:72-19-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Synthetic route

hexan-1-amine
111-26-2

hexan-1-amine

(S)-2-(3,5-Dinitro-4-oxo-4H-pyridin-1-yl)-3-hydroxy-butyric acid

(S)-2-(3,5-Dinitro-4-oxo-4H-pyridin-1-yl)-3-hydroxy-butyric acid

A

L-threonine
72-19-5

L-threonine

B

1-hexyl-3,5-dinitro-4-pyridone
74197-48-1

1-hexyl-3,5-dinitro-4-pyridone

Conditions
ConditionsYield
In pyridine Product distribution;A 83.8%
B n/a
Conditions
ConditionsYield
With hydrogen; acetic acid; palladium on activated charcoal for 48h; other (protected) amino acids; other alcohol;A n/a
B 40%
C n/a
acetaldehyde
75-07-0

acetaldehyde

glycine
56-40-6

glycine

L-threonine
72-19-5

L-threonine

Conditions
ConditionsYield
With pyridoxal 5'-phosphate; L-threonine aldolase In phosphate buffer at 25℃; for 3h;
antimycin B1

antimycin B1

L-threonine
72-19-5

L-threonine

Conditions
ConditionsYield
With hydrogenchloride; water at 110℃; for 20h;
ucb K115

ucb K115

L-threonine
72-19-5

L-threonine

Conditions
ConditionsYield
With ferrous(II) sulfate heptahydrate; cobalt(II) sulphate heptahydrate; N-succinyl L-amino acid desuccinylase from Burkholderia ambifaria AMMD; N-succinyll-amino acid β-hydroxylase from Burkholderia ambifaria AMMD; ascorbic acid In aq. phosphate buffer at 30℃; for 24h; Enzymatic reaction;
Conditions
ConditionsYield
With thionyl chloride at 0℃; for 3.25h; Reflux;100%
L-threonine
72-19-5

L-threonine

methyl chloroformate
79-22-1

methyl chloroformate

(2S,3R)-3-hydroxy-2-((methoxycarbonyl)amino)butanoic acid

(2S,3R)-3-hydroxy-2-((methoxycarbonyl)amino)butanoic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; sodium carbonate In methanol; dichloromethane98%
With sodium hydrogencarbonate In diethyl ether; water
[Pd(acetylacetonato-O,O')((1R,2R)-(PPh2NH)2C6H10)](ClO4)

[Pd(acetylacetonato-O,O')((1R,2R)-(PPh2NH)2C6H10)](ClO4)

L-threonine
72-19-5

L-threonine

[Pd(L-threoninate-κ-N,O)((1R,2R)-(PPh2NH)2C6H10)](ClO4)

[Pd(L-threoninate-κ-N,O)((1R,2R)-(PPh2NH)2C6H10)](ClO4)

Conditions
ConditionsYield
In methanol byproducts: acetylacetone; to a soln. of complex in methanol was added amino acid, the mixt. was refluxed for 3 h, cooled; evapd. to dryness, treated with diethyl ether, the solid was filtered, washed with diethyl ether, air-dried;85%
L-threonine
72-19-5

L-threonine

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

allyl alcohol
107-18-6

allyl alcohol

L-Threonin-allylester-hydro-p-toluolsulfonat
88224-11-7

L-Threonin-allylester-hydro-p-toluolsulfonat

Conditions
ConditionsYield
In benzene Heating;84%
hydrogenchloride
7647-01-0

hydrogenchloride

sodium tetrahydroborate
16940-66-2

sodium tetrahydroborate

ferrocenecarboxaldehyde
12093-10-6

ferrocenecarboxaldehyde

L-threonine
72-19-5

L-threonine

H(S-fThr)

H(S-fThr)

Conditions
ConditionsYield
With LiOH*H2O In methanol L-threonine and LiOH*H2O in dry MeOH stirred for 30 min; MeOH soln. of Fe complex added dropwise; stirred for 20 min; treated with NaBH4 with stirring; solvent evapd.; dissolved in H2O; acidified with dilute HCl (pH 5-7); filtered; ppt. washed with H2O; dried in vac. desiccator; elem. anal.;84%
L-threonine
72-19-5

L-threonine

3,5-dinitro-1-(4-nitrophenyl)-4-pyridone
74197-40-3

3,5-dinitro-1-(4-nitrophenyl)-4-pyridone

A

4-nitro-aniline
100-01-6

4-nitro-aniline

B

(S)-2-(3,5-Dinitro-4-oxo-4H-pyridin-1-yl)-3-hydroxy-butyric acid

(S)-2-(3,5-Dinitro-4-oxo-4H-pyridin-1-yl)-3-hydroxy-butyric acid

Conditions
ConditionsYield
In pyridine; water for 3h; Ambient temperature;A n/a
B 75%
Field-Durant Green

Field-Durant Green

ethanol
64-17-5

ethanol

L-threonine
72-19-5

L-threonine

salicylaldehyde
90-02-8

salicylaldehyde

potassium Δ-bis(N-salicylidene-(S)-threoninato)cobaltate*2(ethanol)

potassium Δ-bis(N-salicylidene-(S)-threoninato)cobaltate*2(ethanol)

Conditions
ConditionsYield
In ethanol salicylaldehyde added with stirring to mixt. of Co complex and amino acid in EtOH; refluxed for 3 h; filtered; filtrate concd. in vac.; residue washed with Et2O; dissolved in EtOH; column chromd. (Al2O3, EtOH); purified by gel chromy. (Sephadex LH-20, EtOH-benzene 1:3); elem. anal.;70%
sodium tris(carbonato)cobaltate(III)

sodium tris(carbonato)cobaltate(III)

L-threonine
72-19-5

L-threonine

salicylaldehyde
90-02-8

salicylaldehyde

lithium δ-bis[N-salicylidene-(S)-threoninato]cobaltate dihydrate

lithium δ-bis[N-salicylidene-(S)-threoninato]cobaltate dihydrate

Conditions
ConditionsYield
In ethanol aldehyde was added with stirring to mixt. of Co complex and amino acid in EtOH; refluxed for 3 h; filtered; evapd. (vac.); washed (Et2O); dissolved in EtOH; chromd. (Al2O3, EtOH); chromd. (gel, EtOH/C6H6, 1/3); dissolved in aq. EtOH; passed through ion-exchange resin; evapd. (vac.); chromd. (gel, EtOH/C6H6, 1/3);elem. anal.;70%
1-Methyl-4-piperidone
1445-73-4

1-Methyl-4-piperidone

L-threonine
72-19-5

L-threonine

2,6-dimethylphenyl isonitrile
119072-54-7, 2769-71-3

2,6-dimethylphenyl isonitrile

4-(2,6-dimethylphenyl)-2-ethyl-9-methyl-1,4,9-triazaspiro[5.5]undec-1-ene-3,5-dione

4-(2,6-dimethylphenyl)-2-ethyl-9-methyl-1,4,9-triazaspiro[5.5]undec-1-ene-3,5-dione

Conditions
ConditionsYield
With triethylamine In 2,2,2-trifluoroethanol at 100℃; for 24h;70%
sodium tris(carbonato)cobaltate(III)

sodium tris(carbonato)cobaltate(III)

L-threonine
72-19-5

L-threonine

3-allyl-5-bromosalicylaldehyde
1259524-22-5

3-allyl-5-bromosalicylaldehyde

lithium λ-bis[N-(3-allyl-5-bromosalicylidene)-(S)-threoninato]cobaltate dihydrate

lithium λ-bis[N-(3-allyl-5-bromosalicylidene)-(S)-threoninato]cobaltate dihydrate

lithium δ-bis[N-(3-allyl-5-bromosalicylidene)-(S)-threoninato]cobaltate dihydrate

lithium δ-bis[N-(3-allyl-5-bromosalicylidene)-(S)-threoninato]cobaltate dihydrate

Conditions
ConditionsYield
In ethanol aldehyde was added with stirring to mixt. of Co complex and amino acid in EtOH; refluxed for 3 h; filtered; evapd. (vac.); washed (Et2O); dissolved in EtOH; chromd. (Al2O3, EtOH); chromd. (gel, EtOH/C6H6, 1/3); dissolved in aq. EtOH; passed through ion-exchange resin; evapd. (vac.); chromd. (gel, EtOH/C6H6, 1/3);elem. anal.;A 22%
B 65%
L-threonine
72-19-5

L-threonine

6-nitro-2-oxo-2H-chromene-3-carbonyl chloride
71942-48-8

6-nitro-2-oxo-2H-chromene-3-carbonyl chloride

6-nitrocoumarin-3-CO-L-Thr
80613-36-1

6-nitrocoumarin-3-CO-L-Thr

Conditions
ConditionsYield
With triethylamine In 1,4-dioxane 1) room temperature, 2) 2 h, reflux;54%
(η6-fluorobenzene)(η5-cyclopentadienyl) iron(II) hexafluorophosphate

(η6-fluorobenzene)(η5-cyclopentadienyl) iron(II) hexafluorophosphate

L-threonine
72-19-5

L-threonine

[(η-C6H5NHCH(CH(OH)Me)COOH)(η-C5H5)Fe][PF6]

[(η-C6H5NHCH(CH(OH)Me)COOH)(η-C5H5)Fe][PF6]

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide 120-130°C, 1.0 h; cooling, filtration into ether (sepn. of oil), decantation, washing (ether), extn. into Me2CO, filtration, chromy. (Al2O3, Me2CO, then MeOH/H2O=5:1), evapn. (reduced pressure, 60-70°C);40%
nickel(II) perchlorate hexahydrate

nickel(II) perchlorate hexahydrate

lanthanum(III) perchlorate hexahydrate

lanthanum(III) perchlorate hexahydrate

L-threonine
72-19-5

L-threonine

[LaNi6(L-threonine(-H)(1-))12](ClO4)3(H2O)15

[LaNi6(L-threonine(-H)(1-))12](ClO4)3(H2O)15

Conditions
ConditionsYield
With NaOH In water stoichiometric equiv. of Ni(ClO4)2*6H2O and L-threonine added to aq. soln. of La(ClO4)3*6H2O; pH adjusted to 6.6 by slow addition of NaOH aq. soln.; stirred for 2 h; filtered to remove precipitates formed; placed in a desiccator filled with P2O5 for 1 month; elem. anal.;35%
{CoBr2(C8H12(C2H5)4(NH)4)}(1+)*Br(1-)={CoBr2(C8H12(C2H5)4(NH)4)}Br

{CoBr2(C8H12(C2H5)4(NH)4)}(1+)*Br(1-)={CoBr2(C8H12(C2H5)4(NH)4)}Br

L-threonine
72-19-5

L-threonine

sodium perchlorate

sodium perchlorate

{Co(OCOCH(NH2)CH(OH)CH3)(C8H12(C2H5)4(NH)4)}(2+)*2{ClO4}(1-)*3H2O

{Co(OCOCH(NH2)CH(OH)CH3)(C8H12(C2H5)4(NH)4)}(2+)*2{ClO4}(1-)*3H2O

Conditions
ConditionsYield
With NaOH In water adjusting the pH of an aq. soln. of the CoBr2 complex and (S)-thr to 8.0 with NaOH, evapn. to near dryness (after 1 h), addn. of a slight excess of an aq. NaClO4 soln., crystn.; elem. anal.;30%
L-threonine
72-19-5

L-threonine

benzyl chloroformate
501-53-1

benzyl chloroformate

N-[(phenylmethoxy)carbonyl]-L-threonine
19728-63-3

N-[(phenylmethoxy)carbonyl]-L-threonine

Conditions
ConditionsYield
With sodium hydrogencarbonate
β-D-glucose
492-61-5

β-D-glucose

L-threonine
72-19-5

L-threonine

A

1-hydroxy-propane-1,2,3-tricarboxylic acid
320-77-4

1-hydroxy-propane-1,2,3-tricarboxylic acid

B

2-methylisocitric acid

2-methylisocitric acid

C

citric acid
77-92-9

citric acid

Conditions
ConditionsYield
With Saccharomycopsis lipolytica In water at 26℃; for 120h; Product distribution; also in n-hexadecane medium; catabolism of amino acids by S. lipolytica;
succinimidyl 2,2,2-trichloroethyl carbonate
66065-85-8

succinimidyl 2,2,2-trichloroethyl carbonate

L-threonine
72-19-5

L-threonine

N-(2,2,2-trichloroethoxycarbonyl)-threonine
88050-12-8

N-(2,2,2-trichloroethoxycarbonyl)-threonine

Conditions
ConditionsYield
With sodium hydroxide; sodium hydrogencarbonate In 1,4-dioxane for 0.166667h; Ambient temperature;
L-threonine
72-19-5

L-threonine

N-benzyloxycarbonylalaninehydrazid
17350-66-2

N-benzyloxycarbonylalaninehydrazid

Conditions
ConditionsYield
With hydrogenchloride; tert.-butylnitrite; triethylamine 1. DMF, dioxane, -10 degC, 10 min, 2.) H2O, cold; Yield given. Multistep reaction;
L-threonine
72-19-5

L-threonine

[(R)-1-[(S)-1-(Hydrazinocarbonylmethyl-carbamoyl)-ethylcarbamoyl]-2-(4-methoxy-benzylsulfanyl)-ethyl]-carbamic acid tert-butyl ester
86895-16-1

[(R)-1-[(S)-1-(Hydrazinocarbonylmethyl-carbamoyl)-ethylcarbamoyl]-2-(4-methoxy-benzylsulfanyl)-ethyl]-carbamic acid tert-butyl ester

Boc-Cys(MBzl)-Ala-Gly-Thr-OH
86905-27-3

Boc-Cys(MBzl)-Ala-Gly-Thr-OH

Conditions
ConditionsYield
With hydrogenchloride; tert.-butylnitrite; triethylamine 1.)DMF, dioxane, -25 degC, 10 min, 2.) H2O, cold; Yield given. Multistep reaction;
L-threonine
72-19-5

L-threonine

D-allo-threonine
24830-94-2

D-allo-threonine

Conditions
ConditionsYield
With hydrogenchloride; ethanethiol at 110℃; Rate constant; various times;
L-threonine
72-19-5

L-threonine

(2S,3R)-2-chloro-3-hydroxybutanoic acid
849704-22-9

(2S,3R)-2-chloro-3-hydroxybutanoic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite at -5℃; for 5h;
L-threonine
72-19-5

L-threonine

A

carbon dioxide
124-38-9

carbon dioxide

B

2-hydroxy-propionitrile
78-97-7

2-hydroxy-propionitrile

Conditions
ConditionsYield
With hydrogenchloride; chloroamine-T In water at 29.9 - 44.9℃; Thermodynamic data; Rate constant; Ea, log A, -ΔS(excit.), ΔH(excit.), ΔG(excit.); further acid concentration, further acid and alkaline media;
L-threonine
72-19-5

L-threonine

C3H8NO

C3H8NO

Conditions
ConditionsYield
With hydroxide In water Mechanism; Ambient temperature; Irradiation; examination of effect of protonation state of amino group;
L-threonine
72-19-5

L-threonine

tert-butylamine
75-64-9

tert-butylamine

Troc-Thr-OH*t-C4H9NH2
88050-13-9

Troc-Thr-OH*t-C4H9NH2

Conditions
ConditionsYield
Yield given;
L-threonine
72-19-5

L-threonine

methylamine
74-89-5

methylamine

(S)-2-Amino-3-hydroxy-N-methyl-butyramide
79009-37-3

(S)-2-Amino-3-hydroxy-N-methyl-butyramide

Conditions
ConditionsYield
With thionyl chloride 1)r.t., methanol, 2) 40 deg C 30 min, water; Multistep reaction;
L-threonine
72-19-5

L-threonine

2-(2,4-dichlorophenoxy)acetyl chloride
774-74-3

2-(2,4-dichlorophenoxy)acetyl chloride

N-(2,4-Dichlor-phenoxyacetyl)-L-threonin

N-(2,4-Dichlor-phenoxyacetyl)-L-threonin

Conditions
ConditionsYield
With hydroxide
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