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inquiryWelcome 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
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inquiryThe 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
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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
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inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
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inquiryL-Lactide Basic information Product Name: L-Lactide Synonyms: PURASORB(R) L;(3S)-CIS-3,6-DIMETHYL-1,4-DIOXANE-2,5-DIONE;(3S,6S)-(-)-3,6-DIMETHYL-1,4-DIOXANE-2,5-DIONE;LACTIDE;LACTIDE(L-)
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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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inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
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inquiryAppearance:White powder Storage:R.T Package:25kg/Barrel Application:Used to synthesize biodegradable copolymers Transportation:Express/Sea/Air Port:Any port in China
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inquiryOur 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,
L-Lactide CAS:4511-42-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, s
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inquiryHello, 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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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiryL-Lactide CAS 4511-42-6 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assembly. 2 P
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inquiryL-Lactide CAS 4511-42-6 Description Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality c
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
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Zibo Hangyu Biotechnology Development 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 chemi
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inquiryL-Lactide Chemical Properties Melting point 92-94 °C(lit.) Boiling point 255°C density 1.186±0.06 g/cm3(Predicted) refractive index 1.4475 storage temp. 2-8°C solubility Soluble in chloroform, and methanol.
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inquiryfactory?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
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inquiryL,L-dilactide
Conditions | Yield |
---|---|
at 60 - 320℃; for 0.35 - 0.433333h; Product distribution / selectivity; Pyrolysis; | 100% |
at 280℃; for 2h; Product distribution / selectivity; Pyrolysis; | 95.3% |
L,L-dilactide
Conditions | Yield |
---|---|
tin octylate at 200℃; under 5 Torr; Product distribution / selectivity; | 99.3% |
at 200℃; under 5 Torr; Product distribution / selectivity; | 99.3% |
at 200℃; under 5 Torr; Product distribution / selectivity; | |
at 200℃; under 5 Torr; Product distribution / selectivity; | |
at 210℃; under 4 Torr; Product distribution / selectivity; |
L,L-dilactide
Conditions | Yield |
---|---|
With benzylurea at 100 - 180℃; under 1 Torr; for 2h; Temperature; Reagent/catalyst; Pressure; | 96.72% |
Conditions | Yield |
---|---|
In water at 240℃; under 760.051 Torr; Inert atmosphere; Autoclave; | 94% |
Stage #1: L-Lactic acid With 1-docosanol; 3-chloropyridinium trifluoromethanesulfonate at 140℃; under 25 Torr; for 12h; Stage #2: at 160℃; under 1 Torr; for 3h; Reagent/catalyst; Pressure; Temperature; Time; | 80% |
Stage #1: L-Lactic acid With 1-docosanol; 3-chloropyridinium trifluoromethanesulfonate In water at 140℃; under 30.003 Torr; for 12h; Stage #2: In water at 160℃; under 0.99985 Torr; for 3h; Reagent/catalyst; | 79% |
Conditions | Yield |
---|---|
titanium(IV) tetraethanolate; Triethylene glycol dimethyl ether at 120℃; under 50 Torr; for 7.5h; Inert atmosphere; | 85.5% |
Stage #1: (S)-Ethyl lactate With cerium(III) chloride heptahydrate In water Inert atmosphere; Stage #2: for 4h; Reagent/catalyst; | 52% |
With Triethylene glycol dimethyl ether; titanium(IV) tetraethanolate at 120℃; for 6h; Product distribution / selectivity; |
Conditions | Yield |
---|---|
Stage #1: L-Lactic acid; 1-docosanol With 3-chloropyridinium trifluoromethanesulfonate at 140℃; under 25 Torr; for 12h; Stage #2: at 160℃; under 1 Torr; for 3h; Stage #3: With methanol; potassium carbonate Reagent/catalyst; Pressure; Temperature; Time; | A n/a B n/a C 80% |
L-Lactic acid
(-)-menthol
A
L-menthyl L-lactoyl L-lactate
B
L-menthyl L-lactoyl L-lactoyl L-lactate
C
(1R,2S,5R)-menthyl (S)-(-)-lactate
D
L,L-dilactide
Conditions | Yield |
---|---|
In n-heptane; water at 128℃; for 32h; Product distribution / selectivity; Heating / reflux; | A 24.6% B 0.4% C 67.7% D 0.6% |
sulfuric acid In n-heptane at 119℃; for 2h; Product distribution / selectivity; | A 32.2% B 1.9% C 57.6% D 0.4% |
sodium hydrogen sulfate In n-heptane at 93 - 123℃; for 17h; Product distribution / selectivity; Heating / reflux; | A 36.5% B 5.6% C 48.7% D 4.8% |
B
trilactide
D
C15H20O10
F
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
G
L,L-dilactide
H
D-lactide
Conditions | Yield |
---|---|
at 60 - 400℃; for 0.566667h; Product distribution / selectivity; Pyrolysis; | A 4.51% B 3.26% C 5.59% D 6.02% E 1.88% F 18.28% G n/a H n/a |
B
trilactide
D
C15H20O10
E
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
F
L,L-dilactide
G
D-lactide
Conditions | Yield |
---|---|
at 60 - 400℃; for 0.566667h; Product distribution / selectivity; Pyrolysis; | A 0.46% B 0.5% C 1.65% D 0.75% E 12.17% F n/a G n/a |
Conditions | Yield |
---|---|
Amberlys 36 resin at 104 - 115℃; under 25 - 80 Torr; for 28h; Heating / reflux; | A n/a B 7.4% C 0.3% D 0% E 0% |
A
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
B
L,L-dilactide
C
D-lactide
Conditions | Yield |
---|---|
at 60 - 400℃; for 0.433333 - 0.566667h; Product distribution / selectivity; Pyrolysis; | A 6.08% B n/a C n/a |
Conditions | Yield |
---|---|
at 60 - 300℃; for 0.4h; Product distribution / selectivity; Pyrolysis; | A 0.28% B 0.2% C n/a D n/a |
Conditions | Yield |
---|---|
Stage #1: (S,S)-2-[(2-hydroxypropanoyl)oxy]propanoic acid With 1,3,5-trichloro-2,4,6-triazine In acetone at 20℃; Stage #2: With triethylamine In acetone for 1h; Further stages.; |
sec-phenethyl O-lactoyllactate
A
L,L-dilactide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 100 percent / hydrogen / Pd/C / ethanol / 20 °C 2.1: cyanuric chloride / acetone / 20 °C 2.2: Et3N / acetone / 1 h View Scheme |
A
LACTIC ACID
B
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
C
L,L-dilactide
D
D-lactide
Conditions | Yield |
---|---|
tin(II) octanoate at 210 - 230℃; under 22.5023 Torr; for 1 - 2h; Product distribution / selectivity; | |
zinc stearate at 210 - 230℃; under 22.5023 Torr; for 1 - 2h; Product distribution / selectivity; | |
tin(II) octanoate at 210 - 230℃; under 22.5023 Torr; for 1 - 2h; Product distribution / selectivity; |
A
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
B
L,L-dilactide
Conditions | Yield |
---|---|
Stage #1: L-lactic acid oligomer at 140℃; for 730.5h; Stage #2: tin(II) octanoate at 235℃; Product distribution / selectivity; | |
tin(II) octanoate at 120 - 230℃; Product distribution / selectivity; |
L,L-dilactide
Conditions | Yield |
---|---|
tin(II) octanoate at 120 - 235℃; Product distribution / selectivity; |
Conditions | Yield |
---|---|
tin octanoate at 60 - 300℃; for 0.4h; Product distribution / selectivity; Pyrolysis; |
Conditions | Yield |
---|---|
at 60 - 320℃; for 0.433333h; Product distribution / selectivity; Pyrolysis; |
(6S)-3-methylene-6-methyl-1,4-dioxane-2,5-dione
A
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
B
L,L-dilactide
Conditions | Yield |
---|---|
With 10% Pd on charcoal; hydrogen In tetrahydrofuran at 20℃; under 21446.5 Torr; for 18h; Autoclave; optical yield given as %de; |
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
A
L,L-dilactide
B
D-lactide
Conditions | Yield |
---|---|
Na-ethylhexanoate at 160℃; for 15h; Product distribution / selectivity; Racemisation; Parr reactor; | |
Multi-step reaction with 2 steps 1: potassium phosphate / ethyl acetate / 168 h / 20 °C 2: 1,8-diazabicyclo[5.4.0]undec-7-ene / toluene / 4 h / 110 °C View Scheme |
L-Lactic acid
A
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
B
L,L-dilactide
C
D-lactide
Conditions | Yield |
---|---|
Stage #1: L-Lactic acid In water at 170℃; under 80 Torr; for 3h; Stage #2: tin catalyst at 220℃; under 10 - 15 Torr; Product distribution / selectivity; | |
With potassium hydroxide; stannous octoate at 150 - 240℃; under 7.50075 Torr; Product distribution / selectivity; |
Conditions | Yield |
---|---|
With Triethylene glycol dimethyl ether; titanium(IV) tetraethanolate at 120℃; for 7.5h; Inert atmosphere; |
A
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
B
L,L-dilactide
C
D-lactide
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene at 110℃; for 4h; optical yield given as %ee; |
LACTIC ACID
L,L-dilactide
Conditions | Yield |
---|---|
Stage #1: LACTIC ACID at 70℃; under 60.006 Torr; Stage #2: With tin(II) phosphite at 70 - 250℃; under 7.50075 - 15.0015 Torr; Pressure; |
LACTIC ACID
A
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
B
L,L-dilactide
Conditions | Yield |
---|---|
Stage #1: LACTIC ACID at 70℃; under 60.006 Torr; Stage #2: With tin(II) octanoate at 70 - 250℃; under 7.50075 - 15.0015 Torr; |
L-Lactic acid
(R)-2-hydroxylbutanoic acid
B
(R)-3,6-diethyl-1,4-dioxane-2,5-dione
C
L,L-dilactide
Conditions | Yield |
---|---|
With H-BEA In o-xylene for 3h; Dean-Stark; Heating; | A 46.5 %Chromat. B 23.8 %Chromat. C 29 %Chromat. |
D-lactide
A
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
B
L,L-dilactide
Conditions | Yield |
---|---|
With sodium sulfite at 190℃; for 4h; Reagent/catalyst; Temperature; stereoselective reaction; |
(S)-Methyl lactate
A
Methyl 2-(2-hydroxypropionyl)propionate
B
(3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
C
L,L-dilactide
Conditions | Yield |
---|---|
With TiO2 on amorphous SiO2 at 220 - 300℃; under 760.051 Torr; Catalytic behavior; Reagent/catalyst; Inert atmosphere; |
L,L-dilactide
Conditions | Yield |
---|---|
With [1,5-dithiapentadiyl-bis(4,6-di-t-Buphenol)Y{N(SiHMe2)2}THF] In toluene at 25℃; for 20h; Product distribution; Further Variations:; Reagents; Solvents; | 100% |
With Ti[S(4-Me-6-tBu(C6H2O)2](NEt2)2 In toluene at 100℃; for 120h; Product distribution; | 90.3% |
tin(II) octanoate at 100 - 180℃; for 1h; |
L,L-dilactide
Conditions | Yield |
---|---|
With (TMS)2NYb[Me3SiNC(Ph)N(CH2)3NC(Ph)NSiMe3]2YbN(TMS)2 In toluene at 60℃; for 0.166667h; | 100% |
L,L-dilactide
Conditions | Yield |
---|---|
With [Me3SiNC(Ph)N(CH2)3NC(Ph)NSiMe3]Yb[NH(2,6-iPr2C6H3)](DME) In toluene at 60℃; for 0.0166667h; | 100% |
L,L-dilactide
Conditions | Yield |
---|---|
With N,N'-bis(2,6-diisopropylphenyl)-1,6,7,12-tetra-[4-(2-hydroxyethyl)phenoxy]perylene-3,4,9,10-tetracarboxylic acid diimide; stannous octoate In toluene at 90 - 110℃; for 48h; | 100% |
C42H90ErO6P3 Product distribution / selectivity; | |
C28H62MgO4P2(2+)*2Cl(1-) Product distribution / selectivity; |
Conditions | Yield |
---|---|
With [Mg(tbpca)2] In dichloromethane at 25℃; for 6h; Inert atmosphere; chemoselective reaction; | 99.5% |
With Ca[N(SiMe3)2]2*2THF In toluene at 30℃; for 0.166667h; | 94% |
With [Li6(methyl salicylato)6] at 25℃; for 2.5h; Time; Inert atmosphere; Glovebox; |
triphenylmethyl sulfanylethyl alcohol
L,L-dilactide
Conditions | Yield |
---|---|
With stannous octoate In 1,4-dioxane at 60℃; for 40h; | 99% |
triphenylmethyl sulfanylethyl alcohol
L,L-dilactide
Conditions | Yield |
---|---|
With stannous octoate In 1,4-dioxane at 60℃; for 40h; | 99% |
triphenylmethyl sulfanylethyl alcohol
L,L-dilactide
Conditions | Yield |
---|---|
With stannous octoate In 1,4-dioxane | 99% |
Conditions | Yield |
---|---|
With 6-[MeOCH2CH2N(Me)CH2]-2,4-(tBu)2-phenolate lithium complex In dichloromethane at 26.5℃; for 0.25h; | 98% |
ethanol
L,L-dilactide
(S)-2-hydroxy-propionic acid (S)- 1-ethoxycarbonyl-ethyl ester
Conditions | Yield |
---|---|
With [Mg(tbpca)2] In dichloromethane at 25℃; for 1h; Inert atmosphere; chemoselective reaction; | 98% |
With [(1S)-7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid In toluene at 25 - 80℃; for 2h; Inert atmosphere; | 60% |
With camphor-10-sulfonic acid In toluene at 25 - 80℃; for 2h; | 60% |
With camphor-10-sulfonic acid In toluene at 25 - 80℃; for 2h; | 60% |
Stage #1: ethanol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.0833333h; Stage #2: L,L-dilactide In tetrahydrofuran; hexane for 0.5h; |
N-tert-butoxycarbonyl-3-aminopropanol
L,L-dilactide
Conditions | Yield |
---|---|
Stage #1: L,L-dilactide In toluene at 80℃; for 1h; Stage #2: N-tert-butoxycarbonyl-3-aminopropanol With diethylzinc In toluene at -10 - 20℃; Stage #3: With acetic acid In toluene | 98% |
N-tert-butoxycarbonyl-3-aminopropanol
L,L-dilactide
Conditions | Yield |
---|---|
Stage #1: N-tert-butoxycarbonyl-3-aminopropanol With diethylzinc In toluene at -10 - 20℃; for 1h; Stage #2: L,L-dilactide In toluene at 80℃; for 2h; Stage #3: With acetic acid In toluene Product distribution / selectivity; | 98% |
N-tert-butoxycarbonyl-3-aminopropanol
L,L-dilactide
Conditions | Yield |
---|---|
Stage #1: N-tert-butoxycarbonyl-3-aminopropanol With diethylzinc In toluene at -10 - 20℃; for 1h; Stage #2: L,L-dilactide In toluene at 80℃; for 2h; Stage #3: With acetic acid In toluene | 98% |
N-tert-butoxycarbonyl-3-aminopropanol
L,L-dilactide
Conditions | Yield |
---|---|
Stage #1: L,L-dilactide In toluene at 80℃; for 1h; Stage #2: N-tert-butoxycarbonyl-3-aminopropanol With diethylzinc In toluene at -10 - 20℃; Stage #3: With acetic acid In toluene | 98% |
Conditions | Yield |
---|---|
Stage #1: C39H47N5O13*ClH With sodium hydroxide In water Stage #2: L,L-dilactide With dmap In N,N-dimethyl-formamide at 55℃; | 98% |
triphenylmethyl sulfanylethyl alcohol
L,L-dilactide
Conditions | Yield |
---|---|
With stannous octoate In 1,4-dioxane at 60℃; for 40h; | 97% |
Conditions | Yield |
---|---|
With potassium hexamethylsilazane at 55℃; for 1h; | 97% |
With [Zn(N-[methyl(2-hydroxy-3,5-di-tert-butylphenyl)]-N-methyl-N-cyclohexylamine(-1H))2] In dichloromethane at 20℃; Reagent/catalyst; Solvent; Temperature; Schlenk technique; | |
at 25℃; for 241h; Time; Inert atmosphere; Glovebox; |
triphenylmethyl sulfanylethyl alcohol
L,L-dilactide
Conditions | Yield |
---|---|
With stannous octoate In 1,4-dioxane at 60℃; for 40h; | 96% |
L,L-dilactide
benzyl alcohol
α-H-ω-benzyl-terminated poly[(S)-oxy-1,1-ethanediyl-carbonyl-oxy-1,1-ethanediyl-carbonyl], ring opening polymerization product; monomer(s): L-lactide; benzyl alcohol
Conditions | Yield |
---|---|
With tert-Butoxybis(dimethylamino)methane In tetrahydrofuran at 70℃; for 0.166667h; Product distribution; Further Variations:; Reagents; Pressures; vacuum; | 96% |
L,L-dilactide
Conditions | Yield |
---|---|
With benzyl alcohol In toluene at 50℃; for 0.5h; | 96% |
L,L-dilactide
Conditions | Yield |
---|---|
With [Me3SiNC(Ph)N(CH2)3NC(Ph)NSiMe3]Yb[NH(2,6-iPr2C6H3)](DME) In toluene at 60℃; for 0.116667h; | 95% |
Conditions | Yield |
---|---|
(MeOCH2CH2N-{CH2-[2-LiO-3,5-C6H2(tBu)2]}2)2 In dichloromethane at 26.5℃; for 0.25h; | 95% |
Conditions | Yield |
---|---|
With Ca[N(SiMe3)2]2*2THF In toluene at 30℃; for 0.0833333h; | 95% |
Conditions | Yield |
---|---|
With Rasta resin-(1,5,7-triazabicyclo[4.4.0]dec-5-ene)[RR-TBD] In chloroform-d1 at 20℃; for 2h; | 95% |
Conditions | Yield |
---|---|
Stage #1: Sorbyl alcohol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: L,L-dilactide In tetrahydrofuran; hexane at -78 - 20℃; Stage #3: With acetic acid In tetrahydrofuran; hexane | 94.4% |
Conditions | Yield |
---|---|
Stage #1: ethanol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: L,L-dilactide In tetrahydrofuran; hexane at -78 - 20℃; Stage #3: sorbinyl chloride In tetrahydrofuran; hexane at -78℃; for 1h; | 94.2% |
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