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Hefei TNJ chemical industry co.,ltd

ISO product Name Methoprene Synonyms S-Methoprene Molecular Formula C19H34O3 Molecular Weight 310.4715 InChI InChI=1/C19H34O3/c1-15(2)22-1

Methoprene(S-methoprene)

Cas:40596-69-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Xi'an Xszo Chem Co., Ltd.

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

huge stock TC Insecticide METHOPRENE 40596-69-8 GLP Manufacturer

Cas:40596-69-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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. Near 20 years DayangChem has provided dif

Methoprene

Cas:40596-69-8

Min.Order:10 Gram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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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

Methoprene

Cas:40596-69-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

CHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis

METHOPRENE

Cas:40596-69-8

Min.Order:2 Kilogram

FOB Price: $5000.0

Type:Trading Company

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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-Methoprene CAS 40596-69-8

Cas:40596-69-8

Min.Order:1 Gram

FOB Price: $6.0 / 9.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung, LG, Merck, Thermo Fisher Scientific and so o

40596-69-8 METHOPRENE

Cas:40596-69-8

Min.Order:1 Metric Ton

Negotiable

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

New production CAS 40596-69-8 with best quality

Cas:40596-69-8

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

METHOPRENE

Cas:40596-69-8

Min.Order:10 Kilogram

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

2,4-Dodecadienoic acid,11-methoxy-3,7,11-trimethyl-, 1-methylethyl ester, (2E,4E)- 40596-69-8

Cas:40596-69-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Synonyms: ALTOSID(R);11-METHOXY-3,7,11-TRIMETHYL-2E,4E-DODECADIENOIC ACID, ISOPROPYL ESTER;METHOPRENE (TM);METHOPRENE;ISOPROPYL (2E,4E)-11-METHOXY-3,7,11-TRIMETHYL-2,4-DODECADIENOATE;PRECOR;ZR-515;2,4-dodecadienoicacid,11-methoxy-3,7,11-trimethyl-,

METHOPRENE 40596-69-8 Large in promotion

Cas:40596-69-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

METHOPRENE CAS:40596-69-8 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,

METHOPRENE CAS:40596-69-8

Cas:40596-69-8

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

2,4-Dodecadienoic acid,11-methoxy-3,7,11-trimethyl-, 1-methylethyl ester, (2E,4E)-

Cas:40596-69-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

High quality sodium hydrosulfide Min70% flake supplier CAS NO.16721-80-5 CAS NO.16721-80-5

Cas:40596-69-8

Min.Order:20 Metric Ton

Negotiable

Type:Trading Company

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

2,4-Dodecadienoic acid,11-methoxy-3,7,11-trimethyl-, 1-methylethyl ester, (2E,4E)-

Cas:40596-69-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out

Methoprene,40596-69-8

Cas:40596-69-8

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Methoprene

Cas:40596-69-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 100000.0

Type:Lab/Research institutions

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Hubei Yuanmeng Biological Technology Co., Ltd.

Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other

99% Methoprene CAS 40596-69-8 with Best Price

Cas:40596-69-8

Min.Order:1 Kilogram

FOB Price: $3.0 / 5.0

Type:Trading Company

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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

METHOPRENE

Cas:40596-69-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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 Methoprene

Cas:40596-69-8

Min.Order:0 Metric Ton

Negotiable

Type:Other

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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

2,4-Dodecadienoic acid,11-methoxy-3,7,11-trimethyl-, 1-methylethyl ester, (2E,4E)-

Cas:40596-69-8

Min.Order:0

Negotiable

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 Methoprene

Cas:40596-69-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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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

METHOPRENE

Cas:40596-69-8

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Buy Top Purity METHOPRENE

Cas:40596-69-8

Min.Order:0

Negotiable

Type:Trading Company

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Xiamen Jenny Chemical Technology Co., Ltd.

GMP 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,

METHOPRENE

Cas:40596-69-8

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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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

METHOPRENE

Cas:40596-69-8

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

METHOPRENE

Cas:40596-69-8

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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

Top sale 40596-69-8 Methoprene(S-methoprene)

Cas:40596-69-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

Top sale 40596-69-8 Methoprene(S-methoprene)

Cas:40596-69-8

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Methoprene

Cas:40596-69-8

Min.Order:0

Negotiable

Type:Manufacturers

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Synthetic route

5-(6'-methoxy-2',6'-dimethylheptyl)-3-methyl-2,5-dihydrothiophene-2-carboxylic acid
87416-87-3

5-(6'-methoxy-2',6'-dimethylheptyl)-3-methyl-2,5-dihydrothiophene-2-carboxylic acid

A

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate
52341-11-4

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate

B

methoprene
40596-69-8

methoprene

C

isopropyl 5-(6'-methoxy-2',6'-dimethylheptyl)-3-methylthiophene-2-carboxylate

isopropyl 5-(6'-methoxy-2',6'-dimethylheptyl)-3-methylthiophene-2-carboxylate

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0℃; for 12h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;A n/a
B n/a
C 20%
5-(6-Methoxy-2,6-dimethyl-heptyl)-3-methyl-2,5-dihydro-thiophene-2-carboxylic acid isopropyl ester
87416-89-5

5-(6-Methoxy-2,6-dimethyl-heptyl)-3-methyl-2,5-dihydro-thiophene-2-carboxylic acid isopropyl ester

A

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate
52341-11-4

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate

B

methoprene
40596-69-8

methoprene

C

isopropyl 5-(6'-methoxy-2',6'-dimethylheptyl)-3-methylthiophene-2-carboxylate

isopropyl 5-(6'-methoxy-2',6'-dimethylheptyl)-3-methylthiophene-2-carboxylate

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0℃; for 12h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;A n/a
B n/a
C 20%
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0℃; for 12h; Product distribution;A n/a
B n/a
C 90 mg
(E)-4-Bromo-11-methoxy-3,7,11-trimethyl-dodec-2-enoic acid isopropyl ester

(E)-4-Bromo-11-methoxy-3,7,11-trimethyl-dodec-2-enoic acid isopropyl ester

A

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate
52341-11-4

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate

B

methoprene
40596-69-8

methoprene

C

isopropyl 3,7,11-trimethyl-2ξ,4E,10-dodecatrienoate
41797-08-4, 55290-71-6, 58222-78-9, 58223-32-8, 68218-72-4

isopropyl 3,7,11-trimethyl-2ξ,4E,10-dodecatrienoate

Conditions
ConditionsYield
With lithium carbonate; lithium bromide In N,N-dimethyl-formamide for 1h; Heating; Yield given. Title compound not separated from byproducts;A n/a
B 0.18 g
C 10%
With lithium carbonate; lithium bromide In N,N-dimethyl-formamide for 1h; Heating; Yields of byproduct given;A n/a
B 0.18 g
C 10%
Methoprene acid
53092-52-7

Methoprene acid

isopropyl alcohol
67-63-0

isopropyl alcohol

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
(i) SOCl2, (ii) /BRN= 635639/; Multistep reaction;
7-methoxy-3,7-dimethyloctanal
3613-30-7

7-methoxy-3,7-dimethyloctanal

diisopropyl ester of 2-methyl-3-isopropoxycarbonyl-2-propenylphosphonic acid
50798-35-1

diisopropyl ester of 2-methyl-3-isopropoxycarbonyl-2-propenylphosphonic acid

A

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate
52341-11-4

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate

B

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydroxide In benzene other reagents; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
methyllithium
917-54-4

methyllithium

Isopropyl (2Z,4E)-3-Acetoxy-11-methoxy-7,11-dimethyl-2,4-dodecadienoate
80957-93-3

Isopropyl (2Z,4E)-3-Acetoxy-11-methoxy-7,11-dimethyl-2,4-dodecadienoate

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
With copper(l) iodide 1.) ether, -30 degC, 10 min; 2.) ether, -20 degC, 2h; Yield given. Multistep reaction;
methyllithium
917-54-4

methyllithium

Isopropyl (4E)-3-Diethoxyphosphoryloxy-11-methoxy-7,11-dimethyl-2,4-dodecadienoate
80957-87-5, 80957-88-6

Isopropyl (4E)-3-Diethoxyphosphoryloxy-11-methoxy-7,11-dimethyl-2,4-dodecadienoate

A

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate
52341-11-4

Isopropyl (2Z,4E)-11-Methoxy-3,7,11-trimethyl-2,4-dodecadienoate

B

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
With copper(l) iodide 1.) ether, -30 degC, 30 min; 2.) -78 degC, 1h; Yield given. Multistep reaction. Yields of byproduct given;
2-(1-Bromo-7-methoxy-3,7-dimethyl-octyl)-3-methyl-cyclopropanecarboxylic acid isopropyl ester
103768-96-3

2-(1-Bromo-7-methoxy-3,7-dimethyl-octyl)-3-methyl-cyclopropanecarboxylic acid isopropyl ester

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene; zinc dibromide 1.) ether, -40 deg C to 0 deg C, 2 h, 2.) 50 deg C, 2 h; Multistep reaction;
3-Methylthiophene
616-44-4

3-Methylthiophene

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
2: 77 percent / H2SO4 conc. / 4 h / Heating
3: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
4: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
5: diethyl ether / 0.5 h / 0 °C
6: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Multi-step reaction with 5 steps
1: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
2: 77 percent / H2SO4 conc. / 4 h / Heating
3: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
4: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
5: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
2-bromo-6-methylhept-5-ene
4434-77-9

2-bromo-6-methylhept-5-ene

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 10 steps
1: 68 percent / 1.) Br / 2.) THF, 2.) 25 deg C, 30 min
2: 73 percent / NaBH4 / methanol / 0.5 h / 25 °C
3: pyridine; diethyl ether / 6 h / Heating
4: 5.84 g / NaBr / dimethylformamide / 5 h / 50 °C
5: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
6: 77 percent / H2SO4 conc. / 4 h / Heating
7: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
8: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
9: diethyl ether / 0.5 h / 0 °C
10: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Multi-step reaction with 9 steps
1: 68 percent / 1.) Br / 2.) THF, 2.) 25 deg C, 30 min
2: 73 percent / NaBH4 / methanol / 0.5 h / 25 °C
3: pyridine; diethyl ether / 6 h / Heating
4: 5.84 g / NaBr / dimethylformamide / 5 h / 50 °C
5: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
6: 77 percent / H2SO4 conc. / 4 h / Heating
7: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
8: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
9: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
2,6-dimethyl-5-hepten-1-ol
4234-93-9

2,6-dimethyl-5-hepten-1-ol

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1: pyridine; diethyl ether / 6 h / Heating
2: 5.84 g / NaBr / dimethylformamide / 5 h / 50 °C
3: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
4: 77 percent / H2SO4 conc. / 4 h / Heating
5: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
6: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
7: diethyl ether / 0.5 h / 0 °C
8: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Multi-step reaction with 7 steps
1: pyridine; diethyl ether / 6 h / Heating
2: 5.84 g / NaBr / dimethylformamide / 5 h / 50 °C
3: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
4: 77 percent / H2SO4 conc. / 4 h / Heating
5: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
6: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
7: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
1-bromo-2,6-dimethylhept-5-ene
87416-83-9

1-bromo-2,6-dimethylhept-5-ene

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
2: 77 percent / H2SO4 conc. / 4 h / Heating
3: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
4: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
5: diethyl ether / 0.5 h / 0 °C
6: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Multi-step reaction with 5 steps
1: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
2: 77 percent / H2SO4 conc. / 4 h / Heating
3: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
4: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
5: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
2,6-dimethyl-5-hepten-1-al
106-72-9

2,6-dimethyl-5-hepten-1-al

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 9 steps
1: 73 percent / NaBH4 / methanol / 0.5 h / 25 °C
2: pyridine; diethyl ether / 6 h / Heating
3: 5.84 g / NaBr / dimethylformamide / 5 h / 50 °C
4: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
5: 77 percent / H2SO4 conc. / 4 h / Heating
6: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
7: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
8: diethyl ether / 0.5 h / 0 °C
9: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Multi-step reaction with 8 steps
1: 73 percent / NaBH4 / methanol / 0.5 h / 25 °C
2: pyridine; diethyl ether / 6 h / Heating
3: 5.84 g / NaBr / dimethylformamide / 5 h / 50 °C
4: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
5: 77 percent / H2SO4 conc. / 4 h / Heating
6: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
7: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
8: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
2-(2',6'-dimethylhept-5'-enyl)-4-methylthiophene
87416-84-0

2-(2',6'-dimethylhept-5'-enyl)-4-methylthiophene

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 77 percent / H2SO4 conc. / 4 h / Heating
2: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
3: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
4: diethyl ether / 0.5 h / 0 °C
5: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Multi-step reaction with 4 steps
1: 77 percent / H2SO4 conc. / 4 h / Heating
2: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
3: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
4: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
2-(6'-methoxy-2',6'-dimethylheptyl)-4-methylthiophene
87416-85-1

2-(6'-methoxy-2',6'-dimethylheptyl)-4-methylthiophene

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
2: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
3: diethyl ether / 0.5 h / 0 °C
4: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Multi-step reaction with 3 steps
1: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
2: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
3: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
5-(6'-methoxy-2',6'-dimethylheptyl)-3-methylthiophene-2-carboxylic acid
87416-86-2

5-(6'-methoxy-2',6'-dimethylheptyl)-3-methylthiophene-2-carboxylic acid

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
2: diethyl ether / 0.5 h / 0 °C
3: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Multi-step reaction with 2 steps
1: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
2: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
5-(6'-methoxy-2',6'-dimethylheptyl)-3-methyl-2,5-dihydrothiophene-2-carboxylic acid
87416-87-3

5-(6'-methoxy-2',6'-dimethylheptyl)-3-methyl-2,5-dihydrothiophene-2-carboxylic acid

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diethyl ether / 0.5 h / 0 °C
2: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Toluene-4-sulfonic acid 2,6-dimethyl-hept-5-enyl ester

Toluene-4-sulfonic acid 2,6-dimethyl-hept-5-enyl ester

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 5.84 g / NaBr / dimethylformamide / 5 h / 50 °C
2: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
3: 77 percent / H2SO4 conc. / 4 h / Heating
4: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
5: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
6: diethyl ether / 0.5 h / 0 °C
7: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
Multi-step reaction with 6 steps
1: 5.84 g / NaBr / dimethylformamide / 5 h / 50 °C
2: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
3: 77 percent / H2SO4 conc. / 4 h / Heating
4: 1.64 g / 1.) n-BuLi / 1.) Et2O, reflux, 1 h, 2.) THF
5: 0.21 g / LiOH / H2O / 8 h / 25 °C / electrochemical reduction
6: m-CPBA / CH2Cl2 / 12 h / 0 °C
View Scheme
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
2: 61 percent / 4N HCl / dioxane / 0.25 h / 80 °C
3: 63 percent / p-toluenesulfonic acid / 6 h / Heating
4: 1.) copper(I) iodide / 1.) ether, -30 degC, 10 min; 2.) ether, -20 degC, 2h
View Scheme
Multi-step reaction with 4 steps
2: 61 percent / 4N HCl / dioxane / 0.25 h / 80 °C
3: 1.) NaH / 1.) ether, 0.5h, room temp.; 2.) ether, 8h, reflux
4: 1.) copper(I) iodide / 1.) ether, -30 degC, 30 min; 2.) -78 degC, 1h
View Scheme
7-methoxy-3,7-dimethyloctanal
3613-30-7

7-methoxy-3,7-dimethyloctanal

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: Et3N / N-(2-hydroxyethyl)-thiazolium bromide / dioxane / 20 h / 95 - 100 °C
2: sodium borohydride / tetrahydrofuran / 1 h / 0 °C
3: pyridine / 24 h / 25 °C
4: potassium t-butoxid, 18-Crown-6 / benzene / 0.5 h / Ambient temperature
5: sodium borohydride / propan-2-ol / 4 h / Heating
6: PBr3, LiBr, 2,4,6-collidine / 3 h / -40 - 0 °C
7: 1.) ZnBr, 2.) DBU / 1.) ether, -40 deg C to 0 deg C, 2 h, 2.) 50 deg C, 2 h
View Scheme
Multi-step reaction with 4 steps
2: 61 percent / 4N HCl / dioxane / 0.25 h / 80 °C
3: 63 percent / p-toluenesulfonic acid / 6 h / Heating
4: 1.) copper(I) iodide / 1.) ether, -30 degC, 10 min; 2.) ether, -20 degC, 2h
View Scheme
Multi-step reaction with 4 steps
2: 61 percent / 4N HCl / dioxane / 0.25 h / 80 °C
3: 1.) NaH / 1.) ether, 0.5h, room temp.; 2.) ether, 8h, reflux
4: 1.) copper(I) iodide / 1.) ether, -30 degC, 30 min; 2.) -78 degC, 1h
View Scheme
α-Keto-β-Methyl-buttersaeure-isopropylester
55755-06-1

α-Keto-β-Methyl-buttersaeure-isopropylester

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: Et3N / N-(2-hydroxyethyl)-thiazolium bromide / dioxane / 20 h / 95 - 100 °C
2: sodium borohydride / tetrahydrofuran / 1 h / 0 °C
3: pyridine / 24 h / 25 °C
4: potassium t-butoxid, 18-Crown-6 / benzene / 0.5 h / Ambient temperature
5: sodium borohydride / propan-2-ol / 4 h / Heating
6: PBr3, LiBr, 2,4,6-collidine / 3 h / -40 - 0 °C
7: 1.) ZnBr, 2.) DBU / 1.) ether, -40 deg C to 0 deg C, 2 h, 2.) 50 deg C, 2 h
View Scheme
isopropyl 2-hydroxy-3-methylbutyrate
300786-34-9

isopropyl 2-hydroxy-3-methylbutyrate

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1: MnO2
2: Et3N / N-(2-hydroxyethyl)-thiazolium bromide / dioxane / 20 h / 95 - 100 °C
3: sodium borohydride / tetrahydrofuran / 1 h / 0 °C
4: pyridine / 24 h / 25 °C
5: potassium t-butoxid, 18-Crown-6 / benzene / 0.5 h / Ambient temperature
6: sodium borohydride / propan-2-ol / 4 h / Heating
7: PBr3, LiBr, 2,4,6-collidine / 3 h / -40 - 0 °C
8: 1.) ZnBr, 2.) DBU / 1.) ether, -40 deg C to 0 deg C, 2 h, 2.) 50 deg C, 2 h
View Scheme
Isopropyl (4E)-11-Methoxy-7,11-dimethyl-3-oxo-4-dodecenoate

Isopropyl (4E)-11-Methoxy-7,11-dimethyl-3-oxo-4-dodecenoate

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 63 percent / p-toluenesulfonic acid / 6 h / Heating
2: 1.) copper(I) iodide / 1.) ether, -30 degC, 10 min; 2.) ether, -20 degC, 2h
View Scheme
Multi-step reaction with 2 steps
1: 1.) NaH / 1.) ether, 0.5h, room temp.; 2.) ether, 8h, reflux
2: 1.) copper(I) iodide / 1.) ether, -30 degC, 30 min; 2.) -78 degC, 1h
View Scheme
Isopropyl 5-Hydroxy-11-methoxy-7,11-dimethyl-3-oxododecanoate

Isopropyl 5-Hydroxy-11-methoxy-7,11-dimethyl-3-oxododecanoate

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 61 percent / 4N HCl / dioxane / 0.25 h / 80 °C
2: 63 percent / p-toluenesulfonic acid / 6 h / Heating
3: 1.) copper(I) iodide / 1.) ether, -30 degC, 10 min; 2.) ether, -20 degC, 2h
View Scheme
Multi-step reaction with 3 steps
1: 61 percent / 4N HCl / dioxane / 0.25 h / 80 °C
2: 1.) NaH / 1.) ether, 0.5h, room temp.; 2.) ether, 8h, reflux
3: 1.) copper(I) iodide / 1.) ether, -30 degC, 30 min; 2.) -78 degC, 1h
View Scheme
2-(1-Hydroxy-7-methoxy-3,7-dimethyl-octyl)-3-methyl-cyclopropanecarboxylic acid isopropyl ester
103768-95-2

2-(1-Hydroxy-7-methoxy-3,7-dimethyl-octyl)-3-methyl-cyclopropanecarboxylic acid isopropyl ester

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: PBr3, LiBr, 2,4,6-collidine / 3 h / -40 - 0 °C
2: 1.) ZnBr, 2.) DBU / 1.) ether, -40 deg C to 0 deg C, 2 h, 2.) 50 deg C, 2 h
View Scheme
2-Hydroxy-11-methoxy-3,7,11-trimethyl-5-oxo-dodecanoic acid isopropyl ester
103768-92-9

2-Hydroxy-11-methoxy-3,7,11-trimethyl-5-oxo-dodecanoic acid isopropyl ester

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: pyridine / 24 h / 25 °C
2: potassium t-butoxid, 18-Crown-6 / benzene / 0.5 h / Ambient temperature
3: sodium borohydride / propan-2-ol / 4 h / Heating
4: PBr3, LiBr, 2,4,6-collidine / 3 h / -40 - 0 °C
5: 1.) ZnBr, 2.) DBU / 1.) ether, -40 deg C to 0 deg C, 2 h, 2.) 50 deg C, 2 h
View Scheme
11-Methoxy-3,7,11-trimethyl-2,5-dioxo-dodecanoic acid isopropyl ester
103768-91-8

11-Methoxy-3,7,11-trimethyl-2,5-dioxo-dodecanoic acid isopropyl ester

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: sodium borohydride / tetrahydrofuran / 1 h / 0 °C
2: pyridine / 24 h / 25 °C
3: potassium t-butoxid, 18-Crown-6 / benzene / 0.5 h / Ambient temperature
4: sodium borohydride / propan-2-ol / 4 h / Heating
5: PBr3, LiBr, 2,4,6-collidine / 3 h / -40 - 0 °C
6: 1.) ZnBr, 2.) DBU / 1.) ether, -40 deg C to 0 deg C, 2 h, 2.) 50 deg C, 2 h
View Scheme
2-(7-Methoxy-3,7-dimethyl-octanoyl)-3-methyl-cyclopropanecarboxylic acid isopropyl ester
103768-94-1

2-(7-Methoxy-3,7-dimethyl-octanoyl)-3-methyl-cyclopropanecarboxylic acid isopropyl ester

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium borohydride / propan-2-ol / 4 h / Heating
2: PBr3, LiBr, 2,4,6-collidine / 3 h / -40 - 0 °C
3: 1.) ZnBr, 2.) DBU / 1.) ether, -40 deg C to 0 deg C, 2 h, 2.) 50 deg C, 2 h
View Scheme
11-Methoxy-3,7,11-trimethyl-5-oxo-2-(toluene-4-sulfonyloxy)-dodecanoic acid isopropyl ester
103768-93-0

11-Methoxy-3,7,11-trimethyl-5-oxo-2-(toluene-4-sulfonyloxy)-dodecanoic acid isopropyl ester

methoprene
40596-69-8

methoprene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: potassium t-butoxid, 18-Crown-6 / benzene / 0.5 h / Ambient temperature
2: sodium borohydride / propan-2-ol / 4 h / Heating
3: PBr3, LiBr, 2,4,6-collidine / 3 h / -40 - 0 °C
4: 1.) ZnBr, 2.) DBU / 1.) ether, -40 deg C to 0 deg C, 2 h, 2.) 50 deg C, 2 h
View Scheme

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