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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem 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

Dimethyl methoxymalonate

Cas:5018-30-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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

Methoxymalonic acid dimethyl ester

Cas:5018-30-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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

DIMETHYL METHOXYMALONATE

Cas:5018-30-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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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

Pharmaceutical Grade CAS 5018-30-4 with competitive price

Cas:5018-30-4

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

methyl 2-methoxypropanedioate

Cas:5018-30-4

Min.Order:10 Kilogram

Negotiable

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

Propanedioic acid,2-methoxy-, 1,3-dimethyl ester 5018-30-4

Cas:5018-30-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

DIMETHYL METHOXYMALONATE CAS:5018-30-4 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 i

DIMETHYL METHOXYMALONATE CAS:5018-30-4

Cas:5018-30-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

Propanedioic acid,2-methoxy-, 1,3-dimethyl ester

Cas:5018-30-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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.:5018-30-4

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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 dimethyl methoxymalonate

Cas:5018-30-4

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

Propanedioic acid,2-methoxy-, 1,3-dimethyl ester

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

Dimethyl methoxymalonate

Cas:5018-30-4

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

methyl 2-methoxypropanedioate

Cas:5018-30-4

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

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

methyl 2-methoxypropanedioate

Cas:5018-30-4

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong 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

methyl 2-methoxypropanedioate

Cas:5018-30-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

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

methyl 2-methoxypropanedioate

Cas:5018-30-4

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Bluecrystal chem-union

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

methyl 2-methoxypropanedioate

Cas:5018-30-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

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

Dimethyl Methoxymalonate

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

Propanedioic acid,2-methoxy-, 1,3-dimethyl ester

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

DiMethyl MethoxyMalonate

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Propanedioic acid,2-methoxy-, 1,3-dimethyl ester

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

DIMETHYL METHOXYMALONATE

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

Dimethyl methoxymalonate

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Propanedioic acid,2-methoxy-, 1,3-dimethyl ester

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

methyl 2-methoxypropanedioate Application:methyl 2-methoxypropanedioate

methyl 2-methoxypropanedioate

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Other

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

high purity Storage:normal temperature Package:DRUM Application:mainly for medical use for R&Dpurpose use only Transportation:AIR,SEA Port:BEIJING,SHANGHAI,TIANJIN,SHENZHEN

Dimethyl Methoxymalonate

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

best seller Application:API

DIMETHYL METHOXYMALONATE

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Propanedioic acid,2-methoxy-, 1,3-dimethyl esterAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Propanedioic acid,2-methoxy-, 1,3-dimethyl ester

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low priceAppearance:clear colourless liquid after melting Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

dimethylmethoxymalonate

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

DIMETHYL METHOXYMALONATE

Cas:5018-30-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

chloropentamethoxycyclopropane
84212-88-4

chloropentamethoxycyclopropane

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
With silver perchlorate In methanol85%
methanol
67-56-1

methanol

dimethyl diazomalonate
6773-29-1

dimethyl diazomalonate

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
dirhodium tetraacetate In dichloromethane at 18 - 20℃; for 48h;70%
With dirhodium tetraacetate In dichloromethane at 20℃; for 48h; Inert atmosphere;70%
With copper(l) iodide; phosphorous acid trimethyl ester
copper In toluene
C8H16O5(1+)*AlBr3Cl(1-)

C8H16O5(1+)*AlBr3Cl(1-)

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
With sodium methylate In methanol; dichloromethane-d260%
methanol
67-56-1

methanol

dimethyl diazomalonate
6773-29-1

dimethyl diazomalonate

A

dimethyl 2-hydroxymalonate
34259-29-5

dimethyl 2-hydroxymalonate

B

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

C

methyl 2-(methoxycarbonyl)-4-oxopentanonate
24889-15-4

methyl 2-(methoxycarbonyl)-4-oxopentanonate

D

methyl 2,2-dimethyl-5-oxo-1,3-dioxolane-4-carboxylate
62609-79-4

methyl 2,2-dimethyl-5-oxo-1,3-dioxolane-4-carboxylate

Conditions
ConditionsYield
In acetone for 10h; Irradiation;A 24%
B 1%
C 0.5%
D 31%
dimethyl diazomalonate
6773-29-1

dimethyl diazomalonate

acetone
67-64-1

acetone

A

dimethyl 2-hydroxymalonate
34259-29-5

dimethyl 2-hydroxymalonate

B

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

C

methyl 2-(methoxycarbonyl)-4-oxopentanonate
24889-15-4

methyl 2-(methoxycarbonyl)-4-oxopentanonate

D

methyl 2,2-dimethyl-5-oxo-1,3-dioxolane-4-carboxylate
62609-79-4

methyl 2,2-dimethyl-5-oxo-1,3-dioxolane-4-carboxylate

Conditions
ConditionsYield
for 10h; Product distribution; Irradiation; reaction in the presence of benzophenone;A 24%
B 1%
C 0.5%
D 31%
for 10h; Irradiation;A 24%
B 1%
C 0.5%
D 31%
dimethyl diazomalonate
6773-29-1

dimethyl diazomalonate

pentan-3-one
96-22-0

pentan-3-one

A

dimethyl 2-hydroxymalonate
34259-29-5

dimethyl 2-hydroxymalonate

B

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

C

methyl 2-(methoxycarbonyl)-5-oxoheptanoate
37069-22-0

methyl 2-(methoxycarbonyl)-5-oxoheptanoate

D

methyl 2-(methoxycarbonyl)-3-oxoheptanoate
111209-93-9

methyl 2-(methoxycarbonyl)-3-oxoheptanoate

E

2,2-diethyl-5-(methoxycarbonyl)-1,3-dioxolan-4-one

2,2-diethyl-5-(methoxycarbonyl)-1,3-dioxolan-4-one

Conditions
ConditionsYield
for 10h; Product distribution; Irradiation; reaction in the presence of benzophenone;A 21%
B 0.6%
C 3.8%
D 4.7%
E 13%
dimethyl 3-methoxy-2-oxo-1,4-butanedioate
36797-93-0

dimethyl 3-methoxy-2-oxo-1,4-butanedioate

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

dimethyl diazomalonate
6773-29-1

dimethyl diazomalonate

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
(i) (irradiation), THF, H2O, (ii) /BRN= 102415/; Multistep reaction;
diethyl methoxymalonate
40924-27-4

diethyl methoxymalonate

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
(i) aq. NaOH, (ii) /BRN= 102415/; Multistep reaction;
Dimethyl oxalate
553-90-2

Dimethyl oxalate

methyl methoxyacetate
6290-49-9

methyl methoxyacetate

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
With sodium methylate In benzene
methyl methoxyacetate
6290-49-9

methyl methoxyacetate

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

trimethylene oxide
503-30-0

trimethylene oxide

methanol
67-56-1

methanol

dimethyl diazomalonate
6773-29-1

dimethyl diazomalonate

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

B

(3-Methoxypropoxy)malonsaeure-dimethylester
133649-65-7

(3-Methoxypropoxy)malonsaeure-dimethylester

C

2-Oxetanylmalonsaeure-dimethylester
133649-63-5

2-Oxetanylmalonsaeure-dimethylester

D

Tetrahydrofuran-2,2-dicarbonsaeure-dimethylester
133649-64-6

Tetrahydrofuran-2,2-dicarbonsaeure-dimethylester

Conditions
ConditionsYield
at 0℃; Irradiation; Yield given. Yields of byproduct given;
methanol
67-56-1

methanol

dibenzyl 2-methoxymalonate
138434-87-4

dibenzyl 2-methoxymalonate

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

(+)-methoxy benzyl methyl malonate
138434-85-2, 138434-89-6

(+)-methoxy benzyl methyl malonate

(-)-methoxy benzyl methyl malonate
138434-85-2, 138434-89-6

(-)-methoxy benzyl methyl malonate

Conditions
ConditionsYield
In hexane at 40℃; lipase from Candida cylindracea; stopped at 50percent conversion; Title compound not separated from byproducts;
chloropentamethoxycyclopropane
84212-88-4

chloropentamethoxycyclopropane

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

B

methyl 2,2,3,3-tetramethoxypropanoate
92095-79-9

methyl 2,2,3,3-tetramethoxypropanoate

Conditions
ConditionsYield
With tert.-butyl lithium; oxygen 1.) ether, -78 deg C, 20 min, 2.) ether, -78 deg C, 3 h -> room temperature; Yield given. Multistep reaction. Yields of byproduct given;
methyl methoxyacetate
6290-49-9

methyl methoxyacetate

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
With sodium methylate for 2h; Heating;18.3 g
methyl trimethoxyacrylate

methyl trimethoxyacrylate

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
With silver perchlorate In methanol
dimethyl diazomalonate
6773-29-1

dimethyl diazomalonate

trimethyl orthoformate
149-73-5

trimethyl orthoformate

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

B

methyl 2-carbomethoxy-2,3,3-trimethoxypropanoate
88969-16-8

methyl 2-carbomethoxy-2,3,3-trimethoxypropanoate

Conditions
ConditionsYield
copper(II) bis(trifluoromethanesulfonate) at 50℃; for 4h; also with Rh2(OAc)4 as catalyst;A 20 % Chromat.
B 46 % Chromat.
copper(II) bis(trifluoromethanesulfonate) at 50℃; for 4h; Product distribution; also with Rh2(OAc)4 as catalyst;A 20 % Chromat.
B 46 % Chromat.
copper(II) bis(trifluoromethanesulfonate) at 50℃; for 4h;A 20 % Chromat.
B 46 % Chromat.
methanol
67-56-1

methanol

dibenzyl 2-methoxymalonate
138434-87-4

dibenzyl 2-methoxymalonate

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

B

(R)-(+)-benzyl,methyl 2-methoxymalonate

(R)-(+)-benzyl,methyl 2-methoxymalonate

C

(S)-(-)-benzyl,methyl 2-methoxymalonate
138434-85-2

(S)-(-)-benzyl,methyl 2-methoxymalonate

Conditions
ConditionsYield
In hexane at 40℃; for 0.75h; lipase from Candida cylindracea; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
dimethyl 3-methoxy-2-oxo-1,4-butanedioate
36797-93-0

dimethyl 3-methoxy-2-oxo-1,4-butanedioate

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

B

CO

CO

Conditions
ConditionsYield
Destillation;
malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: TsN3, Et3N / acetonitrile
2: (i) (irradiation), THF, H2O, (ii) /BRN= 102415/
View Scheme
Multi-step reaction with 2 steps
1: TsN3, Et3N / acetonitrile
2: Cu / toluene
View Scheme
methanol
67-56-1

methanol

benzothiophenium bismethoxycarbonylmethylide
72932-82-2

benzothiophenium bismethoxycarbonylmethylide

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

B

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

Conditions
ConditionsYield
In acetonitrile UV-irradiation;
methanol
67-56-1

methanol

benzothiophenium bismethoxycarbonylmethylide
72932-82-2

benzothiophenium bismethoxycarbonylmethylide

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

B

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

C

Benzo[b]thiophene
95-15-8

Benzo[b]thiophene

Conditions
ConditionsYield
In acetonitrile Quantum yield; UV-irradiation;
methanol
67-56-1

methanol

dibenzothiophenium bismethoxycarbonylmethylide
34297-79-5

dibenzothiophenium bismethoxycarbonylmethylide

A

dibenzothiophene
132-65-0

dibenzothiophene

B

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

C

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

Conditions
ConditionsYield
In acetonitrile Quantum yield; UV-irradiation;
methanol
67-56-1

methanol

dibenzothiophenium bismethoxycarbonylmethylide
34297-79-5

dibenzothiophenium bismethoxycarbonylmethylide

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

B

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

Conditions
ConditionsYield
In acetonitrile UV-irradiation;
With benzophenone Inert atmosphere; UV-irradiation;A 9 %Chromat.
B 57 %Chromat.
methanol
67-56-1

methanol

thiophenium bis(methoxycarbonyl)methylide
63196-84-9

thiophenium bis(methoxycarbonyl)methylide

A

thiophene
188290-36-0

thiophene

B

dimethyl (2-thienyl)propanedioate
66946-94-9

dimethyl (2-thienyl)propanedioate

C

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

D

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

Conditions
ConditionsYield
In acetonitrile Quantum yield; UV-irradiation;
methanol
67-56-1

methanol

thiophenium bis(methoxycarbonyl)methylide
63196-84-9

thiophenium bis(methoxycarbonyl)methylide

A

dimethyl (2-thienyl)propanedioate
66946-94-9

dimethyl (2-thienyl)propanedioate

B

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

C

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

Conditions
ConditionsYield
In acetonitrile UV-irradiation;
methanol
67-56-1

methanol

C9H8Br2O4S
1107692-57-8

C9H8Br2O4S

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
at 80℃; Inert atmosphere;
methanol
67-56-1

methanol

C9H8Br2O4S
1107692-57-8

C9H8Br2O4S

A

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

B

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

Conditions
ConditionsYield
Inert atmosphere; UV-irradiation;A 86.5 %Chromat.
B 9.4 %Chromat.
methanol
67-56-1

methanol

dimethylmalonate-3,4-dibromothiophene-S,C-ylide
1107692-58-9

dimethylmalonate-3,4-dibromothiophene-S,C-ylide

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Conditions
ConditionsYield
at 80℃; Inert atmosphere;
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

methoxymalonic acid
57584-77-7

methoxymalonic acid

Conditions
ConditionsYield
With water; sodium hydroxide at 65℃;100%
With potassium hydroxide In methanol Heating;1.28 g
2-bromo-5-bromomethylpyridine
101990-45-8

2-bromo-5-bromomethylpyridine

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

dimethyl [(6-bromopyridin-3-yl)methyl](methoxy)malonate
784149-99-1

dimethyl [(6-bromopyridin-3-yl)methyl](methoxy)malonate

Conditions
ConditionsYield
With potassium tert-butylate In DMF (N,N-dimethyl-formamide) at 0 - 20℃; for 3.5h;100%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

diguanidine carbonate
593-85-1

diguanidine carbonate

2-amino-5-methoxypyrimidine-4,6-diol
98142-98-4

2-amino-5-methoxypyrimidine-4,6-diol

Conditions
ConditionsYield
Stage #1: diguanidine carbonate With ethanol; sodium at 80℃; for 0.5h; Inert atmosphere;
Stage #2: dimethyl methoxymalonate at 80℃; for 2h;
100%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

methyl (naphthalen-1-ylmethyl) carbonate

methyl (naphthalen-1-ylmethyl) carbonate

dimethyl methoxy[(1-naphthyl)methyl]malonate

dimethyl methoxy[(1-naphthyl)methyl]malonate

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; [PdCp(η3-C3H5)] In tetrahydrofuran at 80℃; for 1h;99%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

sodium methylate
124-41-4

sodium methylate

urea
57-13-6

urea

6-hydroxy-5-methoxy-1H-pyrimidine-2,4-dione
60703-43-7

6-hydroxy-5-methoxy-1H-pyrimidine-2,4-dione

Conditions
ConditionsYield
Stage #1: dimethyl methoxymalonate; sodium methylate; urea In ethanol at 100℃; for 4h;
Stage #2: With hydrogenchloride In ethanol; water pH=3 - 4;
99%
formaldehyd
50-00-0

formaldehyd

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

dimethyl 2-(hydroxymethyl)-2-methoxymalonate
1620016-98-9

dimethyl 2-(hydroxymethyl)-2-methoxymalonate

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water at 0 - 20℃; for 20h;98%
With sodium hydrogencarbonate In ethanol; water at 0 - 20℃; for 20h;98%
bis(1,1-dimethylethyl) [[(8-aminooctyl)imino]methylene]biscarbamate
160677-42-9

bis(1,1-dimethylethyl) [[(8-aminooctyl)imino]methylene]biscarbamate

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

A

1-(1,1-Dimethylethyl) 16-methyl 3-[[(1,1-dimethylethoxy)carbonyl]amino]-15-methoxy-14-oxo-2,4,13-triazahexadec-2-enedioate
170368-22-6

1-(1,1-Dimethylethyl) 16-methyl 3-[[(1,1-dimethylethoxy)carbonyl]amino]-15-methoxy-14-oxo-2,4,13-triazahexadec-2-enedioate

B

1-(1,1-Dimethylethyl) 16-ethyl 3-[[(1,1-dimethylethoxy)carbonyl]amino]-15-phenylmethoxy-14-oxo-2,4,13-triazahexadec-2-enedioate
170367-46-1

1-(1,1-Dimethylethyl) 16-ethyl 3-[[(1,1-dimethylethoxy)carbonyl]amino]-15-phenylmethoxy-14-oxo-2,4,13-triazahexadec-2-enedioate

Conditions
ConditionsYield
A 95%
B n/a
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

(4-methoxyphenyl)methyl methyl carbonate
270921-39-6

(4-methoxyphenyl)methyl methyl carbonate

dimethyl methoxy[(4-methoxyphenyl)methyl]malonate

dimethyl methoxy[(4-methoxyphenyl)methyl]malonate

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; N,O-bis-(trimethylsilyl)-acetamide; {(η4-1,5-cyclooctadiene)Pd(η3-allyl)}BF4; potassium acetate In tetrahydrofuran at 80℃; for 24h;94%
With 1,1'-bis-(diphenylphosphino)ferrocene; 1,5-cis,cis-cyclooctadiene; [PdCp(η3-C3H5)] In tetrahydrofuran at 80℃;90%
With 1,1'-bis(diisopropylphosphino)ferrocene; {(η4-1,5-cyclooctadiene)Pd(η3-allyl)}BF4; caesium carbonate In N,N-dimethyl-formamide at 30℃; for 24h; Inert atmosphere;90%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

methyl (2-methylphenyl)methyl carbonate

methyl (2-methylphenyl)methyl carbonate

dimethyl methoxy[(2-methylphenyl)methyl]malonate

dimethyl methoxy[(2-methylphenyl)methyl]malonate

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; N,O-bis-(trimethylsilyl)-acetamide; {(η4-1,5-cyclooctadiene)Pd(η3-allyl)}BF4; potassium acetate In tetrahydrofuran at 80℃; for 24h;92%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Di-tert-butyl acetylenedicarboxylate
66086-33-7

Di-tert-butyl acetylenedicarboxylate

triphenylphosphine
603-35-0

triphenylphosphine

2,3-di-tert-butyl 1,1-dimethyl 1-methoxy-3-(1,1,1-triphenyl-λ5-phosphanylidene)-1,1,2,3-propanetetracarboxylate

2,3-di-tert-butyl 1,1-dimethyl 1-methoxy-3-(1,1,1-triphenyl-λ5-phosphanylidene)-1,1,2,3-propanetetracarboxylate

Conditions
ConditionsYield
In toluene for 5h; Heating;92%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

2-methylglycerol
761-06-8

2-methylglycerol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 120℃; for 6h; Inert atmosphere; Cooling with ice;91.67%
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 16h; Cooling with ice; Inert atmosphere;91.67%
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 16h; Inert atmosphere; Cooling with ice;91.67%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

benzhydrilium tetrafluoroborate

benzhydrilium tetrafluoroborate

dimethyl 2-(bis(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)methyl)-2-methoxymalonate

dimethyl 2-(bis(2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)methyl)-2-methoxymalonate

Conditions
ConditionsYield
With potassium tert-butylate In dimethyl sulfoxide at 20℃; Inert atmosphere;91%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

triphenylphosphine
603-35-0

triphenylphosphine

tetramethyl 3-(1,1,1-triphenyl-λ5-phosphanylidene)-1-propene-1,1,2,3-tetracarboxylate

tetramethyl 3-(1,1,1-triphenyl-λ5-phosphanylidene)-1-propene-1,1,2,3-tetracarboxylate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 24h;90%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

benzyl methyl carbonate
13326-10-8

benzyl methyl carbonate

dimethyl O-methylbenzyltartronate
124604-07-5

dimethyl O-methylbenzyltartronate

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; N,O-bis-(trimethylsilyl)-acetamide; {(η4-1,5-cyclooctadiene)Pd(η3-allyl)}BF4; potassium acetate In tetrahydrofuran at 80℃; for 48h;88%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

(4-hydroxyphenyl)methanol
623-05-2

(4-hydroxyphenyl)methanol

2-(4-hydroxy-benzyl)-2-methoxy-malonic acid dimethyl ester
848245-33-0

2-(4-hydroxy-benzyl)-2-methoxy-malonic acid dimethyl ester

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile for 3h; Heating / reflux;88%
2-(6-aminohexyl)-1,3-diBocguanidine
160677-41-8

2-(6-aminohexyl)-1,3-diBocguanidine

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

A

1-(1,1-Dimethylethyl) 14-methyl 3-[[(1,1-dimethylethoxy)carbonyl]amino]-13-methoxy-12-oxo-2,4,11-triazatetradec-2-enedioate
160677-53-2

1-(1,1-Dimethylethyl) 14-methyl 3-[[(1,1-dimethylethoxy)carbonyl]amino]-13-methoxy-12-oxo-2,4,11-triazatetradec-2-enedioate

B

3-<<(1,1-dimethylethoxy)carbonyl>amino>-20-<(1,1-dimethylethoxy)carbonyl>-12,14-dioxo-2,4,11,15,20,24-hexaazapentacosenedioic acid, bis(1,1-dimethylethyl)ester
160677-45-2

3-<<(1,1-dimethylethoxy)carbonyl>amino>-20-<(1,1-dimethylethoxy)carbonyl>-12,14-dioxo-2,4,11,15,20,24-hexaazapentacosenedioic acid, bis(1,1-dimethylethyl)ester

Conditions
ConditionsYield
A n/a
B 87%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

dimethyl 2-fluoro-2-methoxymalonate
181762-19-6

dimethyl 2-fluoro-2-methoxymalonate

Conditions
ConditionsYield
With sodium hydride; Selectfluor In tetrahydrofuran for 0.333333h; Ambient temperature;86%
With sodium hydride; fluorine In acetonitrile 1.) r.t., 1 h, 2.) -15 deg C, 1 h;51 % Spectr.
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

diphenylmethyl methyl carbonate
85926-25-6

diphenylmethyl methyl carbonate

dimethyl (diphenylmethyl)methoxymalonate

dimethyl (diphenylmethyl)methoxymalonate

Conditions
ConditionsYield
With sodium carbonate; [Pd(ϖ-C3H5)(cod)]BF4 In N,N-dimethyl-formamide at 120℃; for 24h;86%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

propargyl bromide
106-96-7

propargyl bromide

dimethyl 2-methoxy-2-(2-propynyl)malonate
507471-59-2

dimethyl 2-methoxy-2-(2-propynyl)malonate

Conditions
ConditionsYield
Stage #1: dimethyl methoxymalonate With n-butyllithium In hexane; tert-butyl alcohol for 0.25h;
Stage #2: propargyl bromide In hexane; toluene; tert-butyl alcohol at 20℃; for 20h;
84%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

benzyl alcohol
100-51-6

benzyl alcohol

(S)-(-)-benzyl,methyl 2-methoxymalonate
138434-85-2

(S)-(-)-benzyl,methyl 2-methoxymalonate

Conditions
ConditionsYield
In hexane at 40℃; for 3.5h; lipase from Candida cylindracea;83%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

[(4-trifluoromethyl)phenyl]methyl methyl carbonate
270921-40-9

[(4-trifluoromethyl)phenyl]methyl methyl carbonate

dimethyl methoxy[{4-(trifluoromethyl)phenyl}methyl]malonate

dimethyl methoxy[{4-(trifluoromethyl)phenyl}methyl]malonate

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; N,O-bis-(trimethylsilyl)-acetamide; {(η4-1,5-cyclooctadiene)Pd(η3-allyl)}BF4; potassium acetate In tetrahydrofuran at 80℃; for 48h;83%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

tert-butyl N-(phenyl(phenylsulfonyl)methyl)carbamate
155396-71-7

tert-butyl N-(phenyl(phenylsulfonyl)methyl)carbamate

2-(tert-butoxycarbonylamino-phenyl-methyl)-2-methoxy-malonic acid dimethyl ester

2-(tert-butoxycarbonylamino-phenyl-methyl)-2-methoxy-malonic acid dimethyl ester

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 30℃; for 24h;83%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

p-methoxybenzyl acetate
104-21-2

p-methoxybenzyl acetate

dimethyl methoxy[(4-methoxyphenyl)methyl]malonate

dimethyl methoxy[(4-methoxyphenyl)methyl]malonate

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; potassium carbonate; {(η4-1,5-cyclooctadiene)Pd(η3-allyl)}BF4 In tert-Amyl alcohol at 80℃; for 48h;83%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

Fe(CO)2(P(C6H5)3)(C5H6CH3)(1+)*PF6(1-)=[Fe(CO)2(P(C6H5)3)(C5H6CH3)]PF6
161730-33-2, 193425-61-5, 164576-60-7

Fe(CO)2(P(C6H5)3)(C5H6CH3)(1+)*PF6(1-)=[Fe(CO)2(P(C6H5)3)(C5H6CH3)]PF6

Fe(CO)2(P(C6H5)3)(CH2(CH)4(CH3)(C(OCH3)(COOCH3)2))

Fe(CO)2(P(C6H5)3)(CH2(CH)4(CH3)(C(OCH3)(COOCH3)2))

Fe(CO)2(P(C6H5)3)(CH3(CH)4CH2(C(OCH3)(COOCH3)2))

Fe(CO)2(P(C6H5)3)(CH3(CH)4CH2(C(OCH3)(COOCH3)2))

Conditions
ConditionsYield
With LDA In tetrahydrofuran stirring dimethyl methoxymalonate with LDAi at -78°C, addn. of Fe-complex, warming to 0°C, stirring for 2.5 h; addn. of H2O, extn. into ether, drying of org. layer (MgSO4), evapn., chromy. (SiO2, hexanes/EtOAc=15:1); elem. anal.;A 83%
B 9%
Phenylselenyl chloride
5707-04-0

Phenylselenyl chloride

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

dimethyl 2-methoxy-2-phenylselenopropanedioate

dimethyl 2-methoxy-2-phenylselenopropanedioate

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 0 - 20℃; for 2h;82%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

propynoic acid methyl ester
922-67-8

propynoic acid methyl ester

triphenylphosphine
603-35-0

triphenylphosphine

trimethyl 3-(1,1,1-triphenyl-λ5-phosphanylidene)-1-propene-1,1,2-tricarboxylate

trimethyl 3-(1,1,1-triphenyl-λ5-phosphanylidene)-1-propene-1,1,2-tricarboxylate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 24h;82%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

phenylacetylene
536-74-3

phenylacetylene

2-methoxy-2-(1-phenylvinyl)malonic acid dimethyl ester

2-methoxy-2-(1-phenylvinyl)malonic acid dimethyl ester

Conditions
ConditionsYield
With indium(III) chloride at 140℃;81%
dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

triphenylphosphine
603-35-0

triphenylphosphine

acetylenedicarboxylic acid diethyl ester
762-21-0

acetylenedicarboxylic acid diethyl ester

2,2-diethyl 1,1-dimethyl 3-(1,1,1-triphenyl-λ5-phosphanylidene)-1-propene-1,1,2,3-tetracarboxylate

2,2-diethyl 1,1-dimethyl 3-(1,1,1-triphenyl-λ5-phosphanylidene)-1-propene-1,1,2,3-tetracarboxylate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 24h;81%
3-[3-(benzyloxy)phenylthio]-6-vinyl-1-chlorobenzene
1023648-20-5

3-[3-(benzyloxy)phenylthio]-6-vinyl-1-chlorobenzene

dimethyl methoxymalonate
5018-30-4

dimethyl methoxymalonate

2-(2-{4-[3-(benzyloxy)phenylthio]-2-chlorophenyl}ethyl)-2-methoxymalonic acid dimethyl ester
1023648-23-8

2-(2-{4-[3-(benzyloxy)phenylthio]-2-chlorophenyl}ethyl)-2-methoxymalonic acid dimethyl ester

Conditions
ConditionsYield
Stage #1: dimethyl methoxymalonate With caesium carbonate In dimethyl sulfoxide at 20℃; for 0.5h;
Stage #2: 3-[3-(benzyloxy)phenylthio]-6-vinyl-1-chlorobenzene In dimethyl sulfoxide at 20 - 35℃; Further stages.;
79%

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