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
Cas:62285-98-7
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:62285-98-7
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryDayangchem’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
Cas:62285-98-7
Min.Order:1 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryOur 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
Cas:62285-98-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryCAS No.62285-98-7 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 Sc
Cas:62285-98-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:62285-98-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:62285-98-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiry[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2,4-pentadien-1-yl](triphenyl)phosphonium bromide CAS:62285-98-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, prod
Cas:62285-98-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:62285-98-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:62285-98-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryChemical Name:[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2,4-pentadien-1-yl](triphenyl)phosphonium bromide CAS No.:62285-98-7 Molecular Formula:C33H38BrP Molecular Weight:545.542 Hs Code.: Mol file:62285-98-7.mol Synonyms:Phos
Cas:62285-98-7
Min.Order:1 Gram
FOB Price: $2.0 / 5.0
Type:Trading Company
inquiryZibo 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
Cas:62285-98-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe 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
Cas:62285-98-7
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct name: 5-(4-Methoxy-2,3,6-Triphenyl)-3-Methyl-2,4-Pentadiene-1-Bromidetriphenylphosphine CAS No.:62285-98-7 Molecule Formula:C33H38P.Br Molecule Weight:545.54 Purity: 98.0% Package: 25kg/drum Description:White or almost white cry
Cas:62285-98-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:62285-98-7
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:62285-98-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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
Cas:62285-98-7
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe 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
Cas:62285-98-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower price, higher purity,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 synthesis of various pesticides, medicines, s
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Other
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Manufacturers
inquiryJ&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry((2E,4E)-3-METHYL-5-(2,6,6-TRIMETHYLCYCLOHEX-2-EN-1-YL)PENTA-2,4-DIEN-1-YL)TRIPHENYLPHOSPHONIUM BROMIDE CAS NO.62285-98-7 Application:((2E,4E)-3-METHYL-5-(2,6,6-TRIMETHYLCYCLOHEX-2-EN-1-YL)PENTA-2,4-DIEN-1-YL)TRIPHENYLPHOSPHONIUM BROMIDE CAS NO.62285
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Other
inquiry((2E,4E)-3-METHYL-5-(2,6,6-TRIMETHYLCYCLOHEX-2-EN-1-YL)PENTA-2,4-DIEN-1-YL)TRIPHENYLPHOSPHONIUM BROMIDE CAS NO.62285-98-7Appearance:crystal, powder Storage:stay in dry, cool and well-sealed Package:as your request Application:Pharmaceutical intermedi
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry[5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadienyl]Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Cas:62285-98-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry(1E)-1-(2,6,6-trimethylcyclohex-1-enyl)-3-methyl-1,4-pentadien-3-ol
triphenylphosphine hydrobromide
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
In methanol for 75h; Ambient temperature; | 100% |
In methanol at 20℃; for 20h; | 73% |
In tetrahydrofuran |
3-methyl-5-bromo-1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-pentadiene
triphenylphosphine
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
In acetonitrile at 50 - 55℃; for 5h; Inert atmosphere; | 92.8% |
In acetonitrile at 50 - 55℃; for 5h; Inert atmosphere; | 92.1% |
(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexenyl)-2,4-pentadien-1-ol
triphenylphosphine hydrobromide
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
In methanol for 17h; Ambient temperature; |
triphenylphosphine hydrobromide
A
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Stage #1: Acetic acid (2Z,4E)-3-methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienyl ester With lithium aluminium tetrahydride Stage #2: triphenylphosphine hydrobromide |
(E)-β-ionone
vinyl magnesium bromide
triphenylphosphine hydrobromide
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Stage #1: (E)-β-ionone; vinyl magnesium bromide Stage #2: triphenylphosphine hydrobromide Further stages.; |
(E)-β-ionone
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 100 percent / tetrahydrofuran / 20 h / 20 °C 2: 73 percent / methanol / 20 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 94 percent / tetrahydrofuran / 14 h / Ambient temperature 2: 100 percent / methanol / 75 h / Ambient temperature View Scheme | |
Multi-step reaction with 2 steps 1.1: sodium hydride / tetrahydrofuran / 24 h / 20 °C 2.1: lithium aluminium tetrahydride / diethyl ether / 0.5 h / 0 °C 2.2: 24 h / 20 °C View Scheme |
(2E,4E)-ethyl 3-methyl-5-(2,6,6-trimethylcyclohex-1-enyl)penta-2,4-dienoate
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: LiAlH4 / diethyl ether / 0.25 h / Ambient temperature 2: methanol / 17 h / Ambient temperature View Scheme |
2,2'-ethane-1,2-diylbissulfanyl-bis-ethanol
nickel
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
In methanol; dichloromethane; ethyl acetate |
(2E,4E)-ethyl 3-methyl-5-(2,6,6-trimethylcyclohex-1-enyl)penta-2,4-dienoate
triphenylphosphine hydrobromide
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Stage #1: (2E,4E)-ethyl 3-methyl-5-(2,6,6-trimethylcyclohex-1-enyl)penta-2,4-dienoate With lithium aluminium tetrahydride In diethyl ether at 0℃; for 0.5h; Stage #2: triphenylphosphine hydrobromide In methanol at 20℃; for 24h; |
2-(bromomethyl)-1,3,3-trimethylcyclohex-1-ene
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: hexane / 4 h / 50 - 55 °C / Inert atmosphere 2.1: potassium hydroxide / isopropyl alcohol / 1 h / -5 - 5 °C / Inert atmosphere 3.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 3.2: 3 h / 20 - 25 °C 4.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium ethanolate / N,N-dimethyl-formamide / 5 h / -5 - 10 °C / Inert atmosphere 2.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 2.2: 3 h / 20 - 25 °C 3.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium methylate / N,N-dimethyl-formamide / 1 h / 0 - 15 °C / Inert atmosphere 2.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 2.2: 3 h / 20 - 25 °C 3.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
triphenyl((2,6,6-trimethylcyclohex-1-enyl)methyl)phosphonium bromide
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: potassium hydroxide / isopropyl alcohol / 1 h / -5 - 5 °C / Inert atmosphere 2.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 2.2: 3 h / 20 - 25 °C 3.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
3-methyl-5-acetoxy-1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-pentadiene
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 1.2: 3 h / 20 - 25 °C 2.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
3,7-dimethylocta-1,6-dien-3-ol
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: hydrogen bromide; sodium hydroxide / water; dichloromethane / 2 h / 30 - 35 °C / Inert atmosphere 1.2: 2 h / 35 - 40 °C 2.1: hexane / 4 h / 50 - 55 °C / Inert atmosphere 3.1: potassium hydroxide / isopropyl alcohol / 1 h / -5 - 5 °C / Inert atmosphere 4.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 4.2: 3 h / 20 - 25 °C 5.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 5 steps 1.1: sodium hydroxide; thionyl chloride / 1,2-dichloro-ethane; water / 3 h / 40 - 45 °C 1.2: 5 h / 70 - 75 °C 2.1: acetonitrile / 4 h / 60 - 65 °C / Inert atmosphere 3.1: sodium ethanolate / N,N-dimethyl-formamide / 5 h / -5 - 10 °C / Inert atmosphere 4.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 4.2: 3 h / 20 - 25 °C 5.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 5 steps 1.1: sodium hydroxide; thionyl chloride / 1,2-dichloro-ethane; water / 3 h / 40 - 45 °C 1.2: 5 h / 70 - 75 °C 2.1: 4 h / 105 - 110 °C / Inert atmosphere 3.1: sodium methylate / N,N-dimethyl-formamide / 1 h / 0 - 15 °C / Inert atmosphere 4.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 4.2: 3 h / 20 - 25 °C 5.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: acetonitrile / 4 h / 60 - 65 °C / Inert atmosphere 2.1: sodium ethanolate / N,N-dimethyl-formamide / 5 h / -5 - 10 °C / Inert atmosphere 3.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 3.2: 3 h / 20 - 25 °C 4.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 4 steps 1.1: 4 h / 105 - 110 °C / Inert atmosphere 2.1: sodium methylate / N,N-dimethyl-formamide / 1 h / 0 - 15 °C / Inert atmosphere 3.1: sodium hydroxide / water; dichloromethane / 3 h / 15 - 20 °C 3.2: 3 h / 20 - 25 °C 4.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
4-bromo-3-methyl-2-buten-1-ol acetate
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: acetonitrile / 4 h / 60 - 65 °C / Inert atmosphere 2.1: sodium ethanolate / N,N-dimethyl-formamide / 2 h / 0 - 5 °C / Inert atmosphere 3.1: sodium hydroxide / dichloromethane; water / 3 h / 15 - 20 °C 3.2: 3 h / 20 - 25 °C 4.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 4 steps 1.1: methanol / 4 h / 100 - 105 °C / Inert atmosphere 2.1: potassium tert-butylate / N,N-dimethyl-formamide / 2 h / -10 - 0 °C / Inert atmosphere 3.1: sodium hydroxide / dichloromethane; water / 3 h / 15 - 20 °C 3.2: 3 h / 20 - 25 °C 4.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 4 steps 1.1: ethanol / 4 h / 105 - 110 °C / Inert atmosphere 2.1: sodium ethanolate / toluene / 2 h / -5 - 5 °C / Inert atmosphere 3.1: sodium hydroxide / dichloromethane; water / 3 h / 15 - 20 °C 3.2: 3 h / 20 - 25 °C 4.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium ethanolate / N,N-dimethyl-formamide / 2 h / 0 - 5 °C / Inert atmosphere 2.1: sodium hydroxide / dichloromethane; water / 3 h / 15 - 20 °C 2.2: 3 h / 20 - 25 °C 3.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium methylate / N,N-dimethyl-formamide / 2 h / 5 - 10 °C / Inert atmosphere 2.1: sodium hydroxide / dichloromethane; water / 3 h / 15 - 20 °C 2.2: 3 h / 20 - 25 °C 3.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium ethanolate / toluene / 2 h / -5 - 5 °C / Inert atmosphere 2.1: sodium hydroxide / dichloromethane; water / 3 h / 15 - 20 °C 2.2: 3 h / 20 - 25 °C 3.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: potassium tert-butylate / N,N-dimethyl-formamide / 2 h / -10 - 0 °C / Inert atmosphere 2.1: sodium hydroxide / dichloromethane; water / 3 h / 15 - 20 °C 2.2: 3 h / 20 - 25 °C 3.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
(E)-1-O-acetyl-4-chloro-3-methyl-2-buten-1-ol
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: acetonitrile / 4 h / 70 - 75 °C / Inert atmosphere 2.1: sodium methylate / N,N-dimethyl-formamide / 2 h / 5 - 10 °C / Inert atmosphere 3.1: sodium hydroxide / dichloromethane; water / 3 h / 15 - 20 °C 3.2: 3 h / 20 - 25 °C 4.1: acetonitrile / 5 h / 50 - 55 °C / Inert atmosphere View Scheme |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
retinyl palmitate
Conditions | Yield |
---|---|
With sodium ethanolate In N,N-dimethyl-formamide at -5 - 5℃; for 3h; Wittig Olefination; Inert atmosphere; | 91.3% |
(E)-4-acetoxy-2-methylcrotonaldehyde
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Retinol acetate
Conditions | Yield |
---|---|
With sodium ethanolate In N,N-dimethyl-formamide at -5 - 0℃; for 2h; Solvent; Temperature; Reagent/catalyst; Wittig Olefination; Inert atmosphere; | 91% |
With sodium ethanolate In N,N-dimethyl-formamide at -5 - 5℃; for 2h; Time; Inert atmosphere; | 90.7% |
(Z)-3-methyl-4-oxobut-2-enoic acid
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
13-cis-retinoic acid
Conditions | Yield |
---|---|
Stage #1: (Z)-3-methyl-4-oxobut-2-enoic acid; 5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide With sodium hydroxide In isopropyl alcohol at 20 - 30℃; for 3h; Wittig Olefination; Inert atmosphere; Stage #2: With hydrogenchloride; palladium diacetate In isopropyl alcohol at 60℃; pH=7 - 8; | 86.3% |
Stage #1: (Z)-3-methyl-4-oxobut-2-enoic acid; 5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide With sodium hydroxide In isopropyl alcohol at 20 - 30℃; for 3h; Wittig Olefination; Inert atmosphere; Stage #2: With hydrogenchloride; palladium diacetate In isopropyl alcohol at 60℃; pH=7-8; Inert atmosphere; | 86.3% |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
4-formyl-2-[3-oxo-2-methyl-(1E)-propenyl]pyridine
2-[(1E,3E,5E,7E)-2,6-dimethyl-8-(2,6,6-trimethylcyclohex-1-en-1-yl)octa-1,3,5,7-tetraen-1-yl]-4-[(1E,3E,5E)-4-methyl-6-(2,6,6-trimethylcyclohex-1-en-1-yl)hexa-1,3,5-trien-1-yl]pyridine
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol | 76% |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
(Z)-3-Iodo-4-oxo-but-2-enoic acid ethyl ester
(2Z,4E,6E,8E)-3-Iodo-7-methyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenoic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: (Z)-3-Iodo-4-oxo-but-2-enoic acid ethyl ester With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; lithium diisopropyl amide Stage #2: 5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide Further stages.; | 74% |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
bis(3-formyl-3-methyl-2-propenyl) sulfide
retinyl sulfide
Conditions | Yield |
---|---|
Stage #1: 5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide; bis(3-formyl-3-methyl-2-propenyl) sulfide In DMF (N,N-dimethyl-formamide) at -20℃; Stage #2: With sodium methylate In DMF (N,N-dimethyl-formamide) at -20 - 20℃; for 3.5h; | 68% |
4-t-butyldimethylsilyloxy-2-butynal
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
tert-Butyl-dimethyl-[(4Z,6E,8E)-7-methyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-4,6,8-trien-2-ynyloxy]-silane
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran for 3h; Ambient temperature; | 52% |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
2-methyl-3-[3-(1-methyl-2-oxoethylidene)-cyclohex-1-enyl]-propenal
Conditions | Yield |
---|---|
With sodium methylate In methanol for 1h; | 40% |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
A
(all-E)-(3R)-3-(β-D-glucopyranosyloxy)-β,β-carotene
Conditions | Yield |
---|---|
Stage #1: 5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide; 13-[(4R)-4-(β-D-glucopyranosyloxy)-2,6,6-trimethylcyclohex-1-enyl]-2,7,11-trimethyltrideca-2,4,6,8,10,12-hexaenal With sodium methylate In methanol; dichloromethane at 20℃; for 3h; Wittig condensation; Stage #2: With Dowex 50W-X8 (H+) In methanol; dichloromethane at 20℃; for 0.333333h; | A 28% B 10% |
(2E,4E,6E,8E,10E,12E,14E)-2,7,11,15,19-pentamethylicosa-2,4,6,8,10,12,14,18-octaenal
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
trans-gamma-Carotene
Conditions | Yield |
---|---|
With sodium methylate In methanol; N,N-dimethyl-formamide |
2-Methyl-4-(thioacetyl)-2-(E)-butenal
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
11-cis-Retinylthioacetat
Conditions | Yield |
---|---|
(i) nBuLi, (ii) /BRN= 2075468/; Multistep reaction; |
2-Methyl-4-(thioacetyl)-2-(E)-butenal
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
11-trans-Retinylthioacetat
Conditions | Yield |
---|---|
(i) nBuLi, (ii) /BRN= 2075468/; Multistep reaction; |
acetic acid trans-4-oxo-but-2-enyl ester
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; hexane 1.) 1 h, -60 deg C; 2.) 2 h to RT; Yield given; |
ethyl-2-formyl-1-cyclopropane carboxylate
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
ethyl trans-13,14-dihydro-13-desmethyl-13,14-methyleneretinoate
ethyl cis-13,14-dihydro-13-desmethyl-13,14-methyleneretinoate
Conditions | Yield |
---|---|
With potassium tert-butylate benzene, 1) 15 min 2) 8h, r.t.; Yield given. Multistep reaction. Yields of byproduct given; |
1-Carbethoxy-2-formyl-2-methyl-cyclopropan
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
ethyl trans-13,14-dihydro-13,14-methyleneretinoate
ethyl cis-13,14-dihydro-13,14-methyleneretinoate
Conditions | Yield |
---|---|
With potassium tert-butylate benzene, 1) 15 min 2) 22h, r.t.; Yield given. Multistep reaction. Yields of byproduct given; |
4,4-dimethoxy-3-methyl-but-2-en-1-al
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol; dichloromethane at 0℃; for 1h; |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
4-(tert-butyldimethylsilyloxy)-2-methylbutanal
13,14-dihydro-all-trans retinol
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride 1.) Wittig-reaction; Multistep reaction; |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienylidenetriphenylphosphorane
Conditions | Yield |
---|---|
With phenyllithium In diethyl ether for 0.0833333h; Ambient temperature; |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
(2E,4E,6E,8E,10E)-2,7,11-trimethyl-12-oxotrideca-2,4,6,8,10-pentaenal
(all-E)-sintaxanthin
Conditions | Yield |
---|---|
With sodium hydride In dichloromethane at 20℃; for 48h; Yield given; |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
12'-apo-β-caroten-12'-al
Conditions | Yield |
---|---|
With sodium hydride In dichloromethane at 20℃; for 64h; Yield given; | |
With sodium methylate In methanol at 0℃; for 0.5h; Wittig olefination; |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
4-formyl-2-[3-oxo-2-methyl-(1E)-propenyl]pyridine
D
2-[(1E,3E,5E,7E)-2,6-dimethyl-8-(2,6,6-trimethylcyclohex-1-en-1-yl)octa-1,3,5,7-tetraen-1-yl]-4-[(1E,3E,5E)-4-methyl-6-(2,6,6-trimethylcyclohex-1-en-1-yl)hexa-1,3,5-trien-1-yl]pyridine
Conditions | Yield |
---|---|
With sodium ethanolate 1.) EtOH, room temp., 2.) CH3NO2, reflux; Yield given. Multistep reaction; |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
(2E)-4-[(tert-butyldiphenylsilyl)oxy]-2-fluorobut-2-enal
(7E,9E,13E)-tert-butyldiphenylsilyl 13-demethyl-13-fluororetinyl ether
Conditions | Yield |
---|---|
With n-butyllithium 1.) THF, hexane, -78 deg C, 2.) THF, hexane, 25 deg C, 5 h; Yield given. Multistep reaction; |
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
N,N-dimethyl-formamide
(Z)-1-(tert-butyldimethylsilyloxy)-3-iodo-3-methylprop-2-ene
A
tert-butyldimethylsilyl Δ13-(Z)-retinyl ether
B
tert-Butyl-[(2Z,4Z,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenyloxy]-dimethyl-silane
Conditions | Yield |
---|---|
With potassium tert-butylate; tert.-butyl lithium In diethyl ether; pentane at -75 - 25℃; for 6h; Wittig reaction; |
4,4'-diapo-ψ,ψ-carotene-4,4'-dial
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
3,7,11,15,20,24,28,32-octamethyl-1,34-bis(2,6,6-trimethylcyclohex-1-enyl)tetratriaconta-1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33-heptadecaene
Conditions | Yield |
---|---|
With sodium hydride In dichloromethane Wittig reaction; | 67 % Spectr. |
6,6'-diapocarotene-6,6'-dial
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
Conditions | Yield |
---|---|
With sodium hydride In dichloromethane Wittig reaction; | 66 % Spectr. |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View