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hangzhou verychem science and technology co.ltd

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(S)-(+)-propylene glycerol

Cas:4254-15-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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 quantities

(S)-(+)-1,2-Propanediol Manufacturer/High quality/Best price/In stock

Cas:4254-15-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 4254-15-3 (S)-(+)-propylene glycerol

Cas:4254-15-3

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

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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 S-1,2-Propanediol supplier in China

Cas:4254-15-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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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 S-1,2-Propanediol

Cas:4254-15-3

Min.Order:1

Negotiable

Type:Other

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

(S)-(+)-1,2-Propanediol

Cas:4254-15-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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LIDE PHARMACEUTICALS LIMITED

LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.

(S)-(+)-1,2-Propanediol

Cas:4254-15-3

Min.Order:1 Kilogram

FOB Price: $0.9 / 1.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

(S) - (+) -1, 2-Propanediol CAS 4254-15-3

Cas:4254-15-3

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Henan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com

TIANFU-CHEM - (S)-(+)-1,2-Propanediol

Cas:4254-15-3

Min.Order:1 Gram

FOB Price: $1000.0

Type:Lab/Research institutions

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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

Factory direct supply CAS 4254-15-3 with best quality

Cas:4254-15-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

S(+)-1, 2-Propanediol

Cas:4254-15-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Shijiazhuang Sdyano Fine Chemical Co., Ltd

1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;

(S)-(+)-1,2-Propanediol

Cas:4254-15-3

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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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

1,2-Propanediol, (S)-(9CI) 4254-15-3

Cas:4254-15-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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 prese

(S)-(+)-1,2-Propanediol

Cas:4254-15-3

Min.Order:1 Gram

FOB Price: $88.0 / 99.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

(S)-(+)-1,2-Propanediol CAS:4254-15-3 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 in

(S)-(+)-1,2-Propanediol CAS:4254-15-3

Cas:4254-15-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

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

1,2-Propanediol, (S)-(9CI)

Cas:4254-15-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan 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

CAS NO.:4254-15-3

Cas:4254-15-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several

(S)-(+)-1,2-Propanediol cas:4254-15-3

Cas:4254-15-3

Min.Order:25 Gram

FOB Price: $90.0 / 100.0

Type:Trading Company

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Lonwin Chemical Group Limited

High purity (S)-(+)-propylene glycerol CAS: 4254-15-3 Specificatio Items Standard Result Assay (Ursolic acid) 98%min 98.22% Welcome to contact us to get

Factory supply High purity (S)-(+)-propylene glycerol

Cas:4254-15-3

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

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Xiamen Hisunny Chemical Co.,Ltd

Best 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

S-1,2-Propanediol

Cas:4254-15-3

Min.Order:0

Negotiable

Type:Manufacturers

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HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality moderate price & quick delivery Appearance:Colorless to light yellow liquiD 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. Applicatio

1,2-Propanediol, (S)-(9CI)

Cas:4254-15-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

(S)-(+)-1,2-Propanediol

Cas:4254-15-3

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

Type:Lab/Research institutions

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Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

S(+)-1, 2-Propanediol

Cas:4254-15-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM 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. J&H CHEM has some Manufacturing base in Jia

(S)-(+)-1,2-Propanediol

Cas:4254-15-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

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

(S)-(+)-1,2-Propanediol

Cas:4254-15-3

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Saiwante (shanghai) New Material Technology Co., Ltd.

Appearance/Colour:Colorless to light yellow liquid Melting Point:-59 °C Refractive Index:n20/D 1.432(lit.) Boiling Point:184.8 °C at 760 mmHg PKA:14.49±0.20(Predicted) Flash Point:107.2 °C PSA:40.46000 Density:1.03

4254-15-3 S-1,2-Propanediol the most economic

Cas:4254-15-3

Min.Order:1 Gram

FOB Price: $6.0

Type:Trading Company

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Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

(S)-(+)-1,2-Propanediol

Cas:4254-15-3

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

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

High quality S-1,2-Propanediol

Cas:4254-15-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

(S)-(+)-1,2-Propanediol CAS.4254-15-3

Cas:4254-15-3

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: (S)-(+)-Propylene Glycerol CAS No.: 4254-15-3 Molecule Formula:C6H12O3 Molecule Weight:132.16 Purity: 99.0% Package: 200kg/drum Description:Colorless to light yellow liquid Manufacture Standards:Enterprise Standard

Lower Price (S)-(+)-Propylene Glycerol on stock

Cas:4254-15-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

hydroxy-2-propanone
116-09-6

hydroxy-2-propanone

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); hydrogen bromide; hydrogen; (S)-[(5,6),(5’,6’)-bis(ethylenedioxy)biphenyl-2,2’ diyl]bis(diphenylphosphine) In ethanol; water at 60℃; under 825.083 Torr; for 1h; pH=1.34; Catalytic behavior; Pressure; Temperature; pH-value; Reagent/catalyst; Autoclave;100%
With hydrogen; RuBr2[(S)-(C6H2OCH2CH2OP(C6H5)2)2] In methanol at 80℃; under 22501.8 Torr; for 40h;89%
With potassium hydroxide; ammonium formate; 2-hydroxyethanethiol In water for 216h; GDH, FDH, NAD, pH = 7.5 - 8.3;50%
(4S,1'R,2'S)-N(3)-[1'-(m-chlorobenzoyl)-2'-hydroxy-propan-1'-yl]-4-phenyl-5,5-dimethyloxazolidin-2-one
1067232-34-1

(4S,1'R,2'S)-N(3)-[1'-(m-chlorobenzoyl)-2'-hydroxy-propan-1'-yl]-4-phenyl-5,5-dimethyloxazolidin-2-one

A

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

B

(4S)-5,5-dimethyl-4-phenyl-1,3-oxazolidin-2-one
168297-84-5

(4S)-5,5-dimethyl-4-phenyl-1,3-oxazolidin-2-one

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol for 0.166667h;A 37%
B 99%
(S)-Ethyl lactate
687-47-8

(S)-Ethyl lactate

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethyl ether for 0.5h; Heating;97%
Stage #1: (S)-Ethyl lactate With lithium aluminium tetrahydride In diethyl ether at 0 - 20℃; for 4h;
Stage #2: With water In tetrahydrofuran; diethyl ether at 0℃;
86%
With lithium aluminium tetrahydride In diethyl ether80%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In methanol for 30h;96%
(S)-Methyl lactate
27871-49-4

(S)-Methyl lactate

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethyl ether at 0 - 20℃; for 2.25h;90%
With lithium aluminium tetrahydride In tetrahydrofuran at 25℃; for 1h;
With hydrogen; Nishimura catalyst <(45.9% Rh/19.9% Pt) oxide> In methanol at 25℃; under 75007.5 Torr;77 % Spectr.
(S)-1-triphenylmethoxypropan-2-ol
85550-19-2

(S)-1-triphenylmethoxypropan-2-ol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With silica gel supported sodium hydrogen sulfate In methanol; dichloromethane at 20℃;81%
(2S)-2-(tetrahydro-2H-pyran-2-yloxy)propan-1-ol
76946-21-9

(2S)-2-(tetrahydro-2H-pyran-2-yloxy)propan-1-ol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With hydrogenchloride In methanol for 12h;80%
L,L-dilactide
4511-42-6

L,L-dilactide

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With [RuH(CO)(BPy-tPNN*)]; hydrogen In tetrahydrofuran at 110℃; under 38002.6 Torr; for 12h; Inert atmosphere;73%
With hydrogen In methanol at 100℃; under 112511 Torr; for 15h; Autoclave; stereoselective reaction;80 %Chromat.
(S)-1-(9H-fluoren-9-yloxy)propan-2-ol
1369852-90-3

(S)-1-(9H-fluoren-9-yloxy)propan-2-ol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In methanol73%
(R)-3-tosyloxy-1,2-propanediol
41274-09-3

(R)-3-tosyloxy-1,2-propanediol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 4h;72%
(S)-2-(benzyloxy)propan-1-ol
33106-64-8

(S)-2-(benzyloxy)propan-1-ol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol for 1h;70%
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol for 1h; Product distribution; reactions of derivatives;70%
(S)-2-O-(4'-methoxybenzyl)propan-1,2-diol
122151-36-4

(S)-2-O-(4'-methoxybenzyl)propan-1,2-diol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol for 1h;60%
(S)-2-(p-chlorobenzyloxy)-1-propanol
122151-37-5

(S)-2-(p-chlorobenzyloxy)-1-propanol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol for 1h;56%
methyloxirane
75-56-9, 16033-71-9

methyloxirane

A

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

B

(R)-propylene oxide
15448-47-2

(R)-propylene oxide

Conditions
ConditionsYield
With [(R,R)-N,N'-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminato(2-)]cobalt(III) acetate; water at 0 - 20℃; for 12h;A 50%
B 48%
With [(R,R)-N,N'-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminato(2-)]cobalt(III) acetate; water at 0 - 20℃; for 14h;A 50%
B 44%
With water; Cr(III)-endo,endo-2,5-diaminonorbornane-salen at 1℃; for 34h;A 48%
B 45%
methyloxirane
75-56-9, 16033-71-9

methyloxirane

A

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

B

(S)-Propylene oxide
16088-62-3

(S)-Propylene oxide

Conditions
ConditionsYield
With C72H102Co2F12N4O12P2; water at 0 - 20℃; for 2.5h; optical yield given as %ee;A 50%
B 43%
With (R,R)-N,N′-bis(3,5-di-tertbutylsalicylidene)-1,2-cyclohexanediaminocobalt(III) acetate In water at 0℃; for 14h; Inert atmosphere;A 43%
B 45%
methyloxirane
75-56-9, 16033-71-9

methyloxirane

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With water In tetrahydrofuran at 0 - 20℃; for 18h; Catalytic behavior; Reagent/catalyst; enantioselective reaction;49%
With (R,R)-(-)-N,N′-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminocobalt(II); water; acetic acid In toluene at 0 - 20℃;41%
Co(Salen)/SBA-16-C8 In tetrahydrofuran; water at 9.84℃; for 28h;
L-Lactic acid
79-33-4

L-Lactic acid

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran48.6%
With lithium aluminium tetrahydride
With sulfuric acid; hydrogen; platinum(IV) oxide; rhenium(VII) oxide In water at 80℃; under 150015 Torr; for 5h; Product distribution / selectivity;n/a
With sulfuric acid; hydrogen; platinum(IV) oxide In water at 80℃; under 150015 Torr; for 5h; Product distribution / selectivity;
methyloxirane
75-56-9, 16033-71-9

methyloxirane

A

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

B

(2R)-propane-1,2-diol
4254-14-2

(2R)-propane-1,2-diol

C

(S)-Propylene oxide
16088-62-3

(S)-Propylene oxide

Conditions
ConditionsYield
With (S,S)-[N,N-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexane-diamino]cobalt(III) acetate; water at 20℃; for 14h;A n/a
B n/a
C 46%
With water; (R,R)-[Co(salen)]2*GaCl3 at 20℃; for 3h;A n/a
B n/a
C 43%
With Aspergillus niger epoxide hydrolases immobilized onto modified Eupergit C In aq. phosphate buffer; dimethyl sulfoxide at 25℃; for 4h; pH=6.5; Kinetics; Reagent/catalyst; pH-value; Enzymatic reaction; enantioselective reaction;A n/a
B n/a
C 43%
methyloxirane
75-56-9, 16033-71-9

methyloxirane

A

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

B

(2R)-propane-1,2-diol
4254-14-2

(2R)-propane-1,2-diol

C

(R)-propylene oxide
15448-47-2

(R)-propylene oxide

Conditions
ConditionsYield
With water; chiral ((substituted salen)Co)2-InCl3 at 20℃; for 2h;A n/a
B n/a
C 45%
With (S,S)-[N,N-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexane-diamino]cobalt(III) acetate; water In tetrahydrofuran at 19.84℃; for 3h; Kinetics; Reagent/catalyst; Solvent; optical yield given as %ee; enantioselective reaction;A n/a
B n/a
C 43%
With water; 3-butyl-1-methyl-1H-imidazol-3-ium hexafluorophosphate; (R,R)-(salen)Co(III)(OAc) In tetrahydrofuran at 20℃; for 24h;
fluorous (R,R)-(salen)cobalt(III) In water at 25℃; for 24h; Title compound not separated from byproducts;
methyloxirane
75-56-9, 16033-71-9

methyloxirane

A

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

B

(R)-propylene oxide
15448-47-2

(R)-propylene oxide

C

(S)-Propylene oxide
16088-62-3

(S)-Propylene oxide

Conditions
ConditionsYield
With (S,S)-[N,N-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexane-diamino]cobalt(III) acetate; (salen)Co(III)-ZnCl2; water In dichloromethane at 19.84℃; for 3h; Kinetics; Reagent/catalyst; Solvent; optical yield given as %ee; enantioselective reaction;A 43%
B n/a
C n/a
With 4CF3O3S(1-)*Co(3+)*Y(3+)*C36H52N2O2(2-); water In neat (no solvent) at 20℃; for 6h; Overall yield = 23 %; enantioselective reaction;A n/a
B n/a
C n/a
(S)-1-[bis(4-methoxyphenyl)methoxy]propan-2-ol
1169946-48-8

(S)-1-[bis(4-methoxyphenyl)methoxy]propan-2-ol

A

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

B

4,4'-dianisylmethane
726-18-1

4,4'-dianisylmethane

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In methanol for 2h;A 13%
B n/a
(R)-3-iodo-1,2-propanediol
40425-15-8

(R)-3-iodo-1,2-propanediol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With sodium hydroxide; nickel Hydrogenation;
(S)-1-O-benzoyl-1,2-dihydroxypropane
141396-05-6

(S)-1-O-benzoyl-1,2-dihydroxypropane

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With sodium hydroxide at 125℃;
formaldehyd
50-00-0

formaldehyd

methyloxirane
75-56-9, 16033-71-9

methyloxirane

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
at 50℃; Erwaermen des Reaktionsgemisches mit Salzsaeure; dextrorotatory form;
propylene glycol
57-55-6

propylene glycol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

2-Oxo-propionic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester
951-98-4

2-Oxo-propionic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

ethyl (S)-2-acetyloxypropanoate
20918-91-6

ethyl (S)-2-acetyloxypropanoate

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethyl ether for 1h; Heating;
(S)-(-)-2-hydroxy-2,3,3-trimethylbutanoic acid
918-10-5

(S)-(-)-2-hydroxy-2,3,3-trimethylbutanoic acid

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

1-Dimethylsilanyloxy-propan-2-one
141859-89-4

1-Dimethylsilanyloxy-propan-2-one

A

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

B

(2R)-propane-1,2-diol
4254-14-2

(2R)-propane-1,2-diol

Conditions
ConditionsYield
With potassium carbonate; 1,2-bis((2R,5R)-2,5-diethylphosphoranylidene)benzene 1) CH2Cl2, 2 h, 20-25 deg C, 2) MeOH, 4 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
With potassium carbonate; (-)-1,2-bis[(2R,5R)-2,5-diisoprohylphospholano]benzene 1) CH2Cl2, 2 h, 20-25 deg C, 2) MeOH, 4 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
With potassium carbonate; (-)-1,2-bis[(2R,5R)-2,5-diisoprohylphospholano]benzene Product distribution; multistep reaction: asymmetric intramolecular hydrosilylation of hydroxyketones; other catalysts aand silylketones;
1-O-β-D-glucosyl-(2S)-propylene glycol
162427-78-3

1-O-β-D-glucosyl-(2S)-propylene glycol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

Conditions
ConditionsYield
With β-galactosidase In various solvent(s) at 35℃;
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

(2S)-1-tetrahydropyranyloxy-2-hydroxypropane
81601-30-1

(2S)-1-tetrahydropyranyloxy-2-hydroxypropane

Conditions
ConditionsYield
With hydrogenchloride for 24h; Product distribution; Ambient temperature; regioselective pyranylation of (S)-1,2-propanediol;99%
With hydrogenchloride for 24h; Ambient temperature;98%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

(S)-(+)-4-methyl[1,3]dioxolan-2-one
51260-39-0

(S)-(+)-4-methyl[1,3]dioxolan-2-one

Conditions
ConditionsYield
With sodium methylate In methanol at 60 - 115℃; for 25h;97%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

(2S)-1-{[(1,1-dimethylethyl)dimethylsilyl]oxy}-2-propanol
113534-13-7

(2S)-1-{[(1,1-dimethylethyl)dimethylsilyl]oxy}-2-propanol

Conditions
ConditionsYield
With 1H-imidazole In dichloromethane at 0 - 20℃; for 4h;96%
With 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine In dichloromethane for 5h; Ambient temperature;90%
With dmap; triethylamine In dichloromethane at 22℃; for 18h;90%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

trityl chloride
76-83-5

trityl chloride

(S)-1-triphenylmethoxypropan-2-ol
85550-19-2

(S)-1-triphenylmethoxypropan-2-ol

Conditions
ConditionsYield
With pyridine for 7h; Ambient temperature;93%
With triethylamine In dichloromethane at 0 - 20℃;76%
With dmap; triethylamine In dichloromethane; N,N-dimethyl-formamide for 8h; Ambient temperature;60%
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 16h;
With dmap; triethylamine In dichloromethane at 23℃; for 14h;
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

mono-4-methoxytrityl chloride
14470-28-1

mono-4-methoxytrityl chloride

(R)-1-O-<(p-methoxyphenyl)diphenylmethyl>-1,2-propanediol
129247-67-2, 138247-71-9

(R)-1-O-<(p-methoxyphenyl)diphenylmethyl>-1,2-propanediol

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 3.5h; Inert atmosphere;93%
With dmap; triethylamine In dichloromethane; ethyl acetate 1.) 0 deg C, 30 min, 2.) RT, 15 h;
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

C14H12I(1+)*C2F3O2(1-)

C14H12I(1+)*C2F3O2(1-)

(S)-1-(((R)-2'-iodo-6,6'-dimethyl-[1,1'-biphenyl]-2-yl)oxy)propan-2-ol

(S)-1-(((R)-2'-iodo-6,6'-dimethyl-[1,1'-biphenyl]-2-yl)oxy)propan-2-ol

Conditions
ConditionsYield
With copper(II) bis(trifluoromethanesulfonate); triethylamine; 2,6-bis[(4R)-5,5-dihydro-4-phenyl-2-oxazolyl]pyridine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In 1,2-dichloro-ethane at 40℃; for 24h; Inert atmosphere; Schlenk technique; diastereoselective reaction;93%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

(S)-(+)-4-methyl-2,2-dioxo-1,3,2-dioxathiolane
174953-30-1

(S)-(+)-4-methyl-2,2-dioxo-1,3,2-dioxathiolane

Conditions
ConditionsYield
Stage #1: (S)-1,2-Propanediol With thionyl chloride In dichloromethane at 20℃; Reflux; Inert atmosphere;
Stage #2: With sodium periodate; ruthenium (III) chloride trihydrate In dichloromethane; water; acetonitrile at 0 - 20℃;
90%
With ruthenium trichloride; sodium periodate; thionyl chloride Yield given. Multistep reaction;
With ruthenium trichloride; sodium periodate; thionyl chloride 1.) CCl4, 60 deg C; 1.) CH3CN, H2O, 25 deg C; Yield given. Multistep reaction;
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

tris{2-[1-(dimethylamino)ethyl]phenyl}boroxine

tris{2-[1-(dimethylamino)ethyl]phenyl}boroxine

2-(2-[(1R,S)-1-(dimethylamino)ethyl]phenyl)-(4S)-4-methyl-1,3,2-dioxaborolane

2-(2-[(1R,S)-1-(dimethylamino)ethyl]phenyl)-(4S)-4-methyl-1,3,2-dioxaborolane

Conditions
ConditionsYield
In toluene byproducts: H2O; heating equimolar amts. of the boroxine and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;;89%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

C16H16I(1+)*C2F3O2(1-)

C16H16I(1+)*C2F3O2(1-)

(S)-1-(((R)-2'-iodo-4,4',6,6'-tetramethyl-[1,1'-biphenyl]-2-yl)oxy)propan-2-ol

(S)-1-(((R)-2'-iodo-4,4',6,6'-tetramethyl-[1,1'-biphenyl]-2-yl)oxy)propan-2-ol

Conditions
ConditionsYield
With copper(II) bis(trifluoromethanesulfonate); triethylamine; 2,6-bis[(4R)-5,5-dihydro-4-phenyl-2-oxazolyl]pyridine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In 1,2-dichloro-ethane at 40℃; for 24h; Inert atmosphere; Schlenk technique; diastereoselective reaction;89%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

acetic acid
64-19-7

acetic acid

acetoxy bromide of S-(+)-propane-1,2-diol
10299-39-5

acetoxy bromide of S-(+)-propane-1,2-diol

Conditions
ConditionsYield
With hydrogen bromide88%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

acetic acid
64-19-7

acetic acid

(S)-2-Acetoxypropanol
153904-73-5

(S)-2-Acetoxypropanol

Conditions
ConditionsYield
With hydrogen bromide87%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

acetic acid
64-19-7

acetic acid

A

(S)-(-)-2-acetoxy-1-bromopropane
39968-99-5

(S)-(-)-2-acetoxy-1-bromopropane

B

1-Acetoxy-2-brompropan

1-Acetoxy-2-brompropan

Conditions
ConditionsYield
With hydrogen bromide at 0 - 20℃; for 1h;A 87%
B n/a
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

(S)-methylethylene bis(methanesulfonate)
270577-16-7

(S)-methylethylene bis(methanesulfonate)

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0℃; for 1h; Mesylation;86%
With triethylamine In dichloromethane
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

4,4'-dimethoxytrityl chloride
40615-36-9

4,4'-dimethoxytrityl chloride

(S)-1-(bis(4-methoxyphenyl)(phenyl)methoxy)propan-2-ol
161106-18-9

(S)-1-(bis(4-methoxyphenyl)(phenyl)methoxy)propan-2-ol

Conditions
ConditionsYield
With diethylamine In dichloromethane85%
With dmap In pyridine Ambient temperature;79%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

8-nitro-2-(4-oxopiperidin-1-yl)-6-(trifluoromethyl)-4H-benzo[e][1,3]thiazin-4-one
1396842-55-9

8-nitro-2-(4-oxopiperidin-1-yl)-6-(trifluoromethyl)-4H-benzo[e][1,3]thiazin-4-one

2-[(2S)-2-methyl-1,4-dioxa-8-azaspiro[4.5]dec-8-yl]-8-nitro-6-(trifluoromethyl)-4H-1,3-benzothiazin-4-one
1161233-85-7

2-[(2S)-2-methyl-1,4-dioxa-8-azaspiro[4.5]dec-8-yl]-8-nitro-6-(trifluoromethyl)-4H-1,3-benzothiazin-4-one

Conditions
ConditionsYield
Stage #1: (S)-1,2-Propanediol With trimethylsilyl trifluoromethanesulfonate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 0.25h; Inert atmosphere;
Stage #2: 8-nitro-2-(4-oxopiperidin-1-yl)-6-(trifluoromethyl)-4H-benzo[e][1,3]thiazin-4-one In dichloromethane for 0.333333h; Inert atmosphere;
85%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

(S)-(-)-2-acetoxy-1-bromopropane
39968-99-5

(S)-(-)-2-acetoxy-1-bromopropane

Conditions
ConditionsYield
With hydrogen bromide; acetic acid at 20℃; for 0.75h;85%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

C14H12I(1+)*C2F3O2(1-)

C14H12I(1+)*C2F3O2(1-)

(S)-1-(((S)-2'-iodo-6,6'-dimethyl-[1,1'-biphenyl]-2-yl)oxy)propan-2-ol

(S)-1-(((S)-2'-iodo-6,6'-dimethyl-[1,1'-biphenyl]-2-yl)oxy)propan-2-ol

Conditions
ConditionsYield
With copper(II) bis(trifluoromethanesulfonate); triethylamine; 2,6-bis[(4R)-5,5-dihydro-4-phenyl-2-oxazolyl]pyridine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In 1,2-dichloro-ethane at 40℃; for 24h; Inert atmosphere; Schlenk technique; enantioselective reaction;85%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

2-[(diethylamino)methyl]phenyl boronic acid
95753-24-5

2-[(diethylamino)methyl]phenyl boronic acid

2-(2-[(diethylamino)methyl]phenyl)-(4S)-4-methyl-1,3,2-dioxaborolane

2-(2-[(diethylamino)methyl]phenyl)-(4S)-4-methyl-1,3,2-dioxaborolane

Conditions
ConditionsYield
In toluene byproducts: H2O; heating equimolar amts. of the boronic acid and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;;84%
tert-butyl (1-phenylprop-2-yn-1-yl) carbonate

tert-butyl (1-phenylprop-2-yn-1-yl) carbonate

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

(S)-1-(((S)-1-phenylprop-2-yn-1-yl)oxy)propan-2-ol

(S)-1-(((S)-1-phenylprop-2-yn-1-yl)oxy)propan-2-ol

Conditions
ConditionsYield
Stage #1: tert-butyl (1-phenylprop-2-yn-1-yl) carbonate With 2,6-bis[(4S)-4-methyl-4,5-dihydrooxazol-2-yl]pyridine; tetrakis(acetonitrile)copper(I)tetrafluoroborate In tetrahydrofuran at 20℃; for 0.166667h; Sealed tube;
Stage #2: (S)-1,2-Propanediol With triethylamine; 10-hydroxy-4a,10a-dihydrobenzo[b][1,4]benzoxaborinine In tetrahydrofuran at -20℃; for 24h; Sealed tube; stereoselective reaction;
84%
2-[(N,N-diisopropylamino)methyl]phenylboronic acid
95753-26-7

2-[(N,N-diisopropylamino)methyl]phenylboronic acid

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

2-(2-[(diisopropylamino)methyl]phenyl)-(4S)-4-methyl-1,3,2-dioxaborolane

2-(2-[(diisopropylamino)methyl]phenyl)-(4S)-4-methyl-1,3,2-dioxaborolane

Conditions
ConditionsYield
In toluene byproducts: H2O; heating equimolar amts. of the boronic acid and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;;83%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

2,4,6-tris(2-(trifluoromethyl)-phenyl)-1,3,5,2,4,6-trioxatriborinane

2,4,6-tris(2-(trifluoromethyl)-phenyl)-1,3,5,2,4,6-trioxatriborinane

(4S)-4-methyl-2-[2-(trifluoromethyl)phenyl]-1,3,2-dioxaborolane

(4S)-4-methyl-2-[2-(trifluoromethyl)phenyl]-1,3,2-dioxaborolane

Conditions
ConditionsYield
In toluene byproducts: H2O; heating equimolar amts. of the boroxine and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;;83%
(2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethylbenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
879545-38-7

(2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethylbenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

C3H8O2*C21H25ClO5

C3H8O2*C21H25ClO5

Conditions
ConditionsYield
In tert-butyl methyl ether at 20℃; for 24h;83%
(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

2,4,6-tris[2-(methoxymethyl)phenyl]boroxine
95753-07-4

2,4,6-tris[2-(methoxymethyl)phenyl]boroxine

2-[2-(methoxymethyl)phenyl]-(4S)-4-methyl-1,3,2-dioxaborolane

2-[2-(methoxymethyl)phenyl]-(4S)-4-methyl-1,3,2-dioxaborolane

Conditions
ConditionsYield
In toluene byproducts: H2O; heating equimolar amts. of the boroxine and (S)-1,2-propanediol in toluene;; concn.; distn.; elem. anal.;;81%
cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

bis-(4-bromo-benzylidene)-hydrazine
24523-45-3, 41097-38-5

bis-(4-bromo-benzylidene)-hydrazine

(S)-1,2-Propanediol
4254-15-3

(S)-1,2-Propanediol

7,14-bis(4-bromophenyl)-2,11,11-trimethyl-1,4,10,12-tetraoxadispiro[4.2.5.2]pentadecane-9,13-dione

7,14-bis(4-bromophenyl)-2,11,11-trimethyl-1,4,10,12-tetraoxadispiro[4.2.5.2]pentadecane-9,13-dione

Conditions
ConditionsYield
With acetic acid at 80℃; for 8h;81%

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