We have the best quality of China,our product exports to all over the world. It is widely used in many different kinds of chemical area. We our quality means the best in China,even all over the world. We can export according to customers’ re
Cas:106-57-0
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inquiryDayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
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inquiry1. 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
Cas:106-57-0
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inquiryAbout Product Details
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Min.Order:1 Kilogram
FOB Price: $1.0 / 5.0
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inquiryOur 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
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inquiryWITH 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
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inquiryOur 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
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Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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inquirysuperior quality moderate price & quick delivery Appearance:white to slightly yellow crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. A
Product Name: GLYCINE ANHYDRIDE Synonyms: PIPERAZINE-2,5-DIONE;2,5-Dioxopiperazin;2,5-Dioxopiperazine lactam;2,5-Piperazindion;alpha,gamma-Diacipiperazine;Cyclic(glycylglycyl);Cyclo(glycylglycyl);Cyclodiglycine CAS: 106-57-0
Cas:106-57-0
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
GLYCINE ANHYDRIDE Basic information Product Name: GLYCINE ANHYDRIDE Synonyms: PIPERAZINE-2,5-DIONE;Glycine EP Impurity B;Oxiracetam-1;OXIRACETAM-1;2,5-Dioxopiperazin;2,5-Dioxopiperazine lactam;2,5-Piperazindion;alpha,gamma-Diacipiperazine CAS:
factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:106-57-0
Min.Order:1 Kilogram
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Type:Trading Company
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:106-57-0
Min.Order:1 Gram
Negotiable
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inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
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Min.Order:1 Metric Ton
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inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:106-57-0
Min.Order:0
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Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Conditions | Yield |
---|---|
With 14C2H7N*14H(1+)*2H2O*2O(2-)*2Zr(4+)*O122P4W34(18-) In dimethyl sulfoxide at 70℃; for 24h; Solvent; Reagent/catalyst; | 100% |
With silica gel In gas at 180 - 200℃; under 0.08 Torr; | 46% |
With hydrogenchloride at 150 - 160℃; im Rohr; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide under 12901.3 Torr; for 0.333333h; Microwave irradiation; Heating; | 95% |
In ethylene glycol at 170 - 180℃; for 6h; | 62% |
With Silochrom C-120 at 170 - 180℃; under 0.1 Torr; | 13% |
glycine ethyl ester hydrochloride
4-bromo-benzaldehyde
A
Glycine anhydride
B
methyl 2-[(E)-[(4-bromophenyl)methylidene]amino]acetate
Conditions | Yield |
---|---|
With magnesium sulfate; triethylamine In dichloromethane for 1h; Heating; | A n/a B 91% |
benzaldehyde
phosphonic acid diethyl ester
GlyOEt*HCl
A
Glycine anhydride
Conditions | Yield |
---|---|
With 4 A molecular sieve In dichloromethane for 24h; Kabachnik-Fields reaction; | A n/a B 85% |
C19H23N2O4PS
Glycine anhydride
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dimethyl sulfoxide at 70℃; for 336h; | 79% |
N,N'-dibromo-2,5-piperazinedione (NBP)
A
Glycine anhydride
Conditions | Yield |
---|---|
With ethyloxirane; 3,4-dihydro-2H-pyran In acetonitrile for 3h; Ambient temperature; Irradiation; | A 75% B 2% C 5% D 2% |
C19H21F2N2O5P
Glycine anhydride
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene for 504h; | 74% |
sodium butyl(nitrosulfo)acetate
A
Glycine anhydride
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol for 24h; | A 40% B 72% |
glycine ethyl ester hydrochloride
benzaldehyde
A
Glycine anhydride
B
(E)-N-benzylideneglycine methyl ester
Conditions | Yield |
---|---|
With magnesium sulfate; triethylamine In dichloromethane for 1h; Heating; | A n/a B 65% |
methyl [({[(benzyloxy)carbonyl]amino}acetyl)amino]acetate
Glycine anhydride
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid In methanol for 12h; Ambient temperature; | 62% |
N-tert-butoxycarbonyl glycyl glycine methyl ester
Glycine anhydride
Conditions | Yield |
---|---|
Stage #1: N-tert-butoxycarbonyl glycyl glycine methyl ester With formic acid at 20℃; for 3h; Stage #2: In toluene; iso-butanol for 3h; Heating; Further stages.; | 61% |
In water at 130℃; for 4h; | 95 %Spectr. |
In water at 130℃; for 4h; Autoclave; |
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol for 24h; | A 45% B 60% |
3,4-dihydro-2H-pyran
N,N'-dibromo-2,5-piperazinedione (NBP)
A
Glycine anhydride
Conditions | Yield |
---|---|
With ethyloxirane In acetonitrile for 24h; Ambient temperature; Irradiation; Further byproducts given; | A 55% B 6% C 15% D 7% |
glycine phenacyl ester
A
Glycine anhydride
B
1-phenyl-2-hydroxyethanone
C
glycine
Conditions | Yield |
---|---|
With triethylamine hydrochloride In N,N-dimethyl-formamide for 24h; Product distribution; Ambient temperature; | A 55% B n/a C 39% |
Conditions | Yield |
---|---|
In acetonitrile for 5h; Ambient temperature; Irradiation; | A 54% B 11% C 7% D 5% |
In acetonitrile for 5h; Product distribution; Mechanism; Ambient temperature; Irradiation; addition a hydrogen bromide scavenger (1,2-epoxybutane); others 1-alkenes; | A 54% B 11% C 7% D 5% |
With ethyloxirane In acetonitrile for 4h; Ambient temperature; Irradiation; | A 39% B 16% C 9% D 21% |
N,N'-dibromo-2,5-piperazinedione (NBP)
cyclohexene
A
Glycine anhydride
trans-1,2-dibromocyclohexane
C
rac-3-bromocyclohexene
Conditions | Yield |
---|---|
In chloroform at 20℃; for 3h; Irradiation; Further byproducts given; | A 49% B 18 % Chromat. C 27 % Chromat. D 3% |
N,N'-dibromo-2,5-piperazinedione (NBP)
cyclohexene
A
Glycine anhydride
trans-1,2-dibromocyclohexane
C
rac-3-bromocyclohexene
Conditions | Yield |
---|---|
In chloroform at 20℃; for 3h; Irradiation; Further byproducts given; | A 49% B 18 % Chromat. C 27 % Chromat. D 9% |
N,N'-dibromo-2,5-piperazinedione (NBP)
cyclohexene
A
Glycine anhydride
trans-1,2-dibromocyclohexane
C
rac-3-bromocyclohexene
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 3h; Irradiation; Further byproducts given; | A 45% B 15 % Chromat. C 35 % Chromat. D 17% |
N,N'-dibromo-2,5-piperazinedione (NBP)
cyclohexene
A
Glycine anhydride
B
rac-3-bromocyclohexene
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 3h; Irradiation; Further byproducts given; | A 45% B 35 % Chromat. C 17% D 12% |
2-Methyl-1-pentene
N,N'-dibromo-2,5-piperazinedione (NBP)
A
Glycine anhydride
Conditions | Yield |
---|---|
In acetonitrile for 5h; Ambient temperature; Irradiation; | A 3% B 5% C 45% |
Conditions | Yield |
---|---|
With silica gel In toluene for 20h; Heating; | A 44.3% B 10.7% |
With silica gel In toluene for 20h; Product distribution; Heating; glycine adsorbed on silica gel; | |
In water at 200℃; under 187515 Torr; pH=6.1; Kinetics; Equilibrium constant; Further Variations:; Temperatures; | |
With 2Zn(2+)*2H2O*C8MoN8(4-) at 120℃; for 840h; Reagent/catalyst; Temperature; | A 20.3 %Chromat. B 19.23 %Chromat. |
3,4-dihydro-2H-pyran
N,N'-dibromo-2,5-piperazinedione (NBP)
A
Glycine anhydride
Conditions | Yield |
---|---|
With ethyloxirane In acetonitrile for 3h; Product distribution; Mechanism; Ambient temperature; Irradiation; variation of temperature and reaction time; effect of presence of hydroquinone; effect of dark conditions; | A 42% B 9% C 7% D 8% E 8% F 4% G n/a |
Conditions | Yield |
---|---|
With tert-butylamine In acetonitrile at 0℃; for 60h; Irradiation; | A 4.5% B 36.2% C 38.5% |
N,N'-dibromo-2,5-piperazinedione (NBP)
cyclohexene
A
Glycine anhydride
trans-1,2-dibromocyclohexane
C
rac-3-bromocyclohexene
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 3h; Irradiation; Further byproducts given; | A 36% B 17 % Chromat. C 24 % Chromat. D 13% |
N,N'-dibromo-2,5-piperazinedione (NBP)
cyclohexene
A
Glycine anhydride
trans-1,2-dibromocyclohexane
C
rac-3-bromocyclohexene
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 3h; Product distribution; Mechanism; Irradiation; var. solvents; | A 36% B 17 % Chromat. C 24 % Chromat. D 13% E 15% F 10% |
N,N'-dibromo-2,5-piperazinedione (NBP)
cyclohexene
A
Glycine anhydride
trans-1,2-dibromocyclohexane
C
rac-3-bromocyclohexene
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 3h; Irradiation; Further byproducts given; | A 36% B 17 % Chromat. C 24 % Chromat. D 5% |
Sodium; nitro-pentyloxycarbonyl-methanesulfonate
A
Glycine anhydride
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol for 24h; | A n/a B 36% |
3,4-dihydro-2H-pyran
N,N'-dibromo-2,5-piperazinedione (NBP)
A
Glycine anhydride
Conditions | Yield |
---|---|
With ethyloxirane In acetonitrile at 0℃; for 3h; Irradiation; Further byproducts given; | A 32% B 15% C 12% D 12% |
2,3-Dimethyl-1-butene
N,N'-dibromo-2,5-piperazinedione (NBP)
A
Glycine anhydride
Conditions | Yield |
---|---|
In acetonitrile for 5h; Ambient temperature; Irradiation; | A 8% B 3% C 28% |
Conditions | Yield |
---|---|
With tert-butylamine In acetonitrile at 0℃; for 60h; Irradiation; | A 9.1% B 21.2% C 25.8% |
Glycine anhydride
[2,2-bis(trifluoromethyl)-5-oxo-1,3-oxathiolan-4-yl]-acetyl chloride
Conditions | Yield |
---|---|
In toluene for 72h; Heating; | 100% |
Conditions | Yield |
---|---|
for 7h; Reflux; | 99% |
Inert atmosphere; | 98% |
at 150℃; | 97% |
Conditions | Yield |
---|---|
With dmap; [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); tributylphosphine In toluene at 150℃; for 14h; Autoclave; Glovebox; | 99% |
With 1-methyl-pyrrolidin-2-one; pyrrolidone potassique at 120℃; under 19123.2 Torr; |
Glycine anhydride
7-chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 130 - 140℃; for 10h; | 98% |
Conditions | Yield |
---|---|
In water at 85℃; for 1h; pH=Ca. 8; | 97% |
Glycine anhydride
n-hexanoic anhydride
1,4-dihexanoylpiperazine-2,5-dione
Conditions | Yield |
---|---|
at 220℃; for 2h; | 94% |
With pyridine |
Conditions | Yield |
---|---|
Stage #1: Glycine anhydride With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 0.5h; Stage #2: benzyl bromide In N,N-dimethyl-formamide; mineral oil for 5h; | 92% |
With sodium hydride In N,N-dimethyl-formamide at 25℃; | |
With sodium hydride 1.) DMSO, mineral oil, 20 min, 2.) 2 h; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
for 6h; Heating; | 91% |
Glycine anhydride
2,5-piperazinedithione
Conditions | Yield |
---|---|
With pyridin-1-ium-1-yl[pyridin-1-ium-1-yl(sulfido)phosphinothioyl]sulfanyl-sulfido-thioxo-phosphane In acetonitrile for 2h; Reflux; | 90% |
With pyridin-1-ium-1-yl[pyridin-1-ium-1-yl(sulfido)phosphinothioyl]sulfanyl-sulfido-thioxo-phosphane In acetonitrile for 2h; Reflux; | 90% |
With P2S5-pyridine In acetonitrile for 2h; Reflux; | 90% |
With diphosphorus pentasulfide; xylene |
Glycine anhydride
p-methoxybenzyl chloride
1,4-bis(4-methoxybenzyl)piperazine-2,5-dione
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at -5℃; for 5h; | 90% |
Stage #1: Glycine anhydride With sodium hydride In N,N-dimethyl-formamide for 0.166667h; Cooling with ice; Stage #2: p-methoxybenzyl chloride In N,N-dimethyl-formamide at 20℃; for 1.5h; | 82% |
Glycine anhydride
N,O-Bis(trimethylsilyl)trifluoroacetamide
1,4-bis(trimethylsilyl)-2,5-piperazinedione
Conditions | Yield |
---|---|
In acetonitrile Reflux; Inert atmosphere; | 90% |
Glycine anhydride
pentanoic anhydride
1,4-divalerylpiperazine-2,5-dione
Conditions | Yield |
---|---|
at 220℃; for 2h; | 89% |
Glycine anhydride
2-Iodobenzoic acid
2,2'-(2,5-dioxo-1,4-piperazinediyl)bis-benzoic acid
Conditions | Yield |
---|---|
With copper; potassium carbonate In N,N-dimethyl-formamide for 2h; Heating; | 88% |
Glycine anhydride
propionic acid anhydride
1,4-dipropanoylpiperazine-2,5-dione
Conditions | Yield |
---|---|
at 150℃; | 87% |
Conditions | Yield |
---|---|
With sodium acetate; acetic anhydride for 5h; Heating; | 85% |
Conditions | Yield |
---|---|
at 220℃; for 2h; | 85% |
at 150℃; | 74% |
Conditions | Yield |
---|---|
With methanesulfonic acid; ruthenium(1,1,1-tris(di(3,5-dimethylphenyl)phosphinomethyl)ethane)(η4-trimethylenemethane); hydrogen In tetrahydrofuran at 180℃; under 75007.5 Torr; for 16h; Autoclave; Schlenk technique; | 84% |
With i-Amyl alcohol; sodium | |
With sulfuric acid | |
With hydrogenchloride at 20℃; |
Glycine anhydride
di-tert-butyl dicarbonate
di-tert butyl-2,5-dioxopiperzine-1,4-dicarboxylate
Conditions | Yield |
---|---|
With dmap In N,N-dimethyl-formamide at 20℃; for 1h; | 82% |
With dmap | 71% |
With dmap; triethylamine In pyridine at 60℃; for 12h; | 22% |
Glycine anhydride
1,4-diaza-3-bromo-cyclohexane-2,5-dione
Conditions | Yield |
---|---|
With bromine In tetrachloromethane for 0.5h; UV-irradiation; | 82% |
Glycine anhydride
farnesyl bromide
1,4-bis(3',7',11'-trimethyl-2'(E),6'(E),10'-dodecatrienyl)-2,5-piperazinedione
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 4h; | 80% |
Glycine anhydride
1,4-diaza-3,3-dibromo-cyclohexane-2,5-dione
Conditions | Yield |
---|---|
With bromine In tetrachloromethane UV-irradiation; | 80% |
Conditions | Yield |
---|---|
Stage #1: Glycine anhydride With sodium hydride In N,N-dimethyl-formamide for 0.25h; Inert atmosphere; Stage #2: allyl bromide With tetra-(n-butyl)ammonium iodide In N,N-dimethyl-formamide at 20℃; for 3.5h; Inert atmosphere; | 77% |
Stage #1: Glycine anhydride With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 0.5h; Stage #2: allyl bromide In N,N-dimethyl-formamide; mineral oil for 5h; | 43% |
Glycine anhydride
triethyloxonium hexaflourophosphate
3,6-Diethoxy-2,5-dihydropyridazin
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 64h; | 76% |
Glycine anhydride
2-chloro-benzaldehyde
3-[(Z)-1-(2-chlorophenyl)methylidene]piperazine-2,5-dione
Conditions | Yield |
---|---|
With potassium acetate; acetic anhydride; acetic acid for 3h; Heating; | 75% |
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