[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadien-1-yl](triphenyl)phosphonium bromide supplier

Name
[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2,4-pentadien-1-yl](triphenyl)phosphonium bromide
EINECS 1312995-182-4
CAS No. 62285-98-7
Article Data10
CAS DataBase
Density
Solubility
Melting Point
Formula C₃₃H₃₈BrP
Boiling Point
Molecular Weight 545.542
Flash Point
Transport Information
Appearance
Safety
Risk Codes
Molecular Structure
Hazard Symbols
Synonyms Phosphonium,[(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienyl]triphenyl-,bromide (9CI);Phosphonium,[3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienyl]triphenyl-,bromide, (E,E)-;
PSA 13.59000
LogP 5.01360

Synthetic route

: 59057-30-6
(1E)-1-(2,6,6-trimethylcyclohex-1-enyl)-3-methyl-1,4-pentadien-3-ol

: 6399-81-1
triphenylphosphine hydrobromide

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

Conditions	Yield
In methanol for 75h; Ambient temperature;	100%
In methanol at 20℃; for 20h;	73%
In tetrahydrofuran

: 38987-92-7
3-methyl-5-bromo-1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-pentadiene

: 603-35-0
triphenylphosphine

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

Conditions	Yield
In acetonitrile at 50 - 55℃; for 5h; Inert atmosphere;	92.8%
In acetonitrile at 50 - 55℃; for 5h; Inert atmosphere;	92.1%

: 3917-39-3
(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexenyl)-2,4-pentadien-1-ol

: 6399-81-1
triphenylphosphine hydrobromide

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

Conditions	Yield
In methanol for 17h; Ambient temperature;

: 6399-81-1
triphenylphosphine hydrobromide

: Acetic acid (2Z,4E)-3-methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienyl ester

A: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

B: β-ionylidenetriphenylphosphonium bromide

Conditions

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

...Expand

: 79-77-6
(E)-β-ionone

: 1826-67-1
vinyl magnesium bromide

: 6399-81-1
triphenylphosphine hydrobromide

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

Conditions	Yield
Stage #1: (E)-β-ionone; vinyl magnesium bromide Stage #2: triphenylphosphine hydrobromide Further stages.;

...Expand

: 79-77-6
(E)-β-ionone

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: 17974-55-9
(2E,4E)-ethyl 3-methyl-5-(2,6,6-trimethylcyclohex-1-enyl)penta-2,4-dienoate

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: [5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-methyl-2-penten-4-ynyl]triphenylphosphonium bromide

: 5244-34-8
2,2'-ethane-1,2-diylbissulfanyl-bis-ethanol

: 7440-02-0
nickel

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

Conditions	Yield
In methanol; dichloromethane; ethyl acetate

...Expand

: 17974-55-9
(2E,4E)-ethyl 3-methyl-5-(2,6,6-trimethylcyclohex-1-enyl)penta-2,4-dienoate

: 6399-81-1
triphenylphosphine hydrobromide

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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;

: 59633-88-4
2-(bromomethyl)-1,3,3-trimethylcyclohex-1-ene

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: C28H32P(1+)*Cl(1-)

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: diethyl [(2,2,6-trimethylcyclohexyl)methyl]phosphonate

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: 56013-01-5
triphenyl((2,6,6-trimethylcyclohex-1-enyl)methyl)phosphonium bromide

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: 3917-38-2
3-methyl-5-acetoxy-1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-pentadiene

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: 78-70-6
3,7-dimethylocta-1,6-dien-3-ol

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: 1,3,3-trimethyl-2-chloromethylcyclohexene

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: 32659-14-6
4-bromo-3-methyl-2-buten-1-ol acetate

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: C25H26O2P(1+)*Br(1-)

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: C25H26O2P(1+)*Cl(1-)

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: diethyl 2-methyl-4-acetoxy-2-butenylphosphonate

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: dimethyl 2-methyl-4-acetoxy-2-butenylphosphonate

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: 24529-80-4
(E)-1-O-acetyl-4-chloro-3-methyl-2-buten-1-ol

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

Conditions

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

: 4-palmitoyloxy-2-methyl-2-buten-1-al

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 79-81-2
retinyl palmitate

Conditions

Conditions	Yield
With sodium ethanolate In N,N-dimethyl-formamide at -5 - 5℃; for 3h; Wittig Olefination; Inert atmosphere;	91.3%

: 26586-02-7
(E)-4-acetoxy-2-methylcrotonaldehyde

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 127-47-9
Retinol acetate

Conditions

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%

: 70143-04-3
(Z)-3-methyl-4-oxobut-2-enoic acid

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 4759-48-2
13-cis-retinoic acid

Conditions

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%

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 188554-16-7
4-formyl-2-[3-oxo-2-methyl-(1E)-propenyl]pyridine

: 188554-17-8
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

Conditions	Yield
With sodium ethanolate In ethanol	76%

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 174836-86-3
(Z)-3-Iodo-4-oxo-but-2-enoic acid ethyl ester

: 743421-41-2
(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

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%

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 251291-80-2
bis(3-formyl-3-methyl-2-propenyl) sulfide

: 268728-47-8
retinyl sulfide

Conditions

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%

: 75859-97-1
4-t-butyldimethylsilyloxy-2-butynal

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 75867-37-7
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

Conditions	Yield
With n-butyllithium In tetrahydrofuran for 3h; Ambient temperature;	52%

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 454442-05-8
2-methyl-3-[3-(1-methyl-2-oxoethylidene)-cyclohex-1-enyl]-propenal

: C43H60

Conditions

Conditions	Yield
With sodium methylate In methanol for 1h;	40%

: 62285-98-7
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

A: 135589-15-0
(all-E)-(3R)-3-(β-D-glucopyranosyloxy)-β,β-carotene

B: (9'Z)-(3R)-3-(β-D-glucopyranosyloxy)-β,β-carotene

Conditions

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%

...Expand

: 103956-99-6, 1071-52-9
(2E,4E,6E,8E,10E,12E,14E)-2,7,11,15,19-pentamethylicosa-2,4,6,8,10,12,14,18-octaenal

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 472-93-5
trans-gamma-Carotene

Conditions

Conditions	Yield
With sodium methylate In methanol; N,N-dimethyl-formamide

: 72053-20-4
2-Methyl-4-(thioacetyl)-2-(E)-butenal

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 72053-19-1, 72075-18-4
11-cis-Retinylthioacetat

Conditions

Conditions	Yield
(i) nBuLi, (ii) /BRN= 2075468/; Multistep reaction;

: 72053-20-4
2-Methyl-4-(thioacetyl)-2-(E)-butenal

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 72053-19-1, 72075-18-4
11-trans-Retinylthioacetat

Conditions

Conditions	Yield
(i) nBuLi, (ii) /BRN= 2075468/; Multistep reaction;

: 38982-39-7
acetic acid trans-4-oxo-but-2-enyl ester

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: Acetic acid (2E,4E,6E,8E)-7-methyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenyl ester

Conditions

Conditions	Yield
With n-butyllithium In tetrahydrofuran; hexane 1.) 1 h, -60 deg C; 2.) 2 h to RT; Yield given;

: 13949-93-4, 13950-12-4, 77183-91-6, 77183-92-7, 109716-50-9, 109716-61-2, 20417-61-2
ethyl-2-formyl-1-cyclopropane carboxylate

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 89887-40-1
ethyl trans-13,14-dihydro-13-desmethyl-13,14-methyleneretinoate

: 89827-99-6
ethyl cis-13,14-dihydro-13-desmethyl-13,14-methyleneretinoate

Conditions

Conditions	Yield
With potassium tert-butylate benzene, 1) 15 min 2) 8h, r.t.; Yield given. Multistep reaction. Yields of byproduct given;

...Expand

: 20417-63-4
1-Carbethoxy-2-formyl-2-methyl-cyclopropan

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 89887-37-6
ethyl trans-13,14-dihydro-13,14-methyleneretinoate

: 89827-98-5
ethyl cis-13,14-dihydro-13,14-methyleneretinoate

Conditions

Conditions	Yield
With potassium tert-butylate benzene, 1) 15 min 2) 22h, r.t.; Yield given. Multistep reaction. Yields of byproduct given;

...Expand

: 62285-97-6
4,4-dimethoxy-3-methyl-but-2-en-1-al

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 2-((1E,3E,5E,7E)-9,9-Dimethoxy-3,8-dimethyl-nona-1,3,5,7-tetraenyl)-1,3,3-trimethyl-cyclohexene

Conditions

Conditions	Yield
With sodium ethanolate In ethanol; dichloromethane at 0℃; for 1h;

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 115797-15-4
4-(tert-butyldimethylsilyloxy)-2-methylbutanal

: 115797-14-3
13,14-dihydro-all-trans retinol

Conditions

Conditions	Yield
With tetrabutyl ammonium fluoride 1.) Wittig-reaction; Multistep reaction;

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 71987-74-1
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienylidenetriphenylphosphorane

Conditions

Conditions	Yield
With phenyllithium In diethyl ether for 0.0833333h; Ambient temperature;

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 160456-53-1
(2E,4E,6E,8E,10E)-2,7,11-trimethyl-12-oxotrideca-2,4,6,8,10-pentaenal

: 4586-97-4
(all-E)-sintaxanthin

Conditions

Conditions	Yield
With sodium hydride In dichloromethane at 20℃; for 48h; Yield given;

: 5056-17-7
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 1638-05-7
12'-apo-β-caroten-12'-al

Conditions

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;

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 188554-16-7
4-formyl-2-[3-oxo-2-methyl-(1E)-propenyl]pyridine

A: 2-[(1E,3Z,5E,7E)-2,4-Dimethyl-8-(2,6,6-trimethyl-cyclohex-1-enyl)-octa-1,3,5,7-tetraenyl]-4-[(1E,3E,5E)-4-methyl-6-(2,6,6-trimethyl-cyclohex-1-enyl)-hexa-1,3,5-trienyl]-pyridine

B: 2-[(1E,3Z,5E,7E)-2,6-Dimethyl-8-(2,6,6-trimethyl-cyclohex-1-enyl)-octa-1,3,5,7-tetraenyl]-4-[(1Z,3E,5E)-4-methyl-6-(2,6,6-trimethyl-cyclohex-1-enyl)-hexa-1,3,5-trienyl]-pyridine

C: 2-[(1E,3E,5E,7E)-2,6-Dimethyl-8-(2,6,6-trimethyl-cyclohex-1-enyl)-octa-1,3,5,7-tetraenyl]-4-[(1Z,3E,5E)-4-methyl-6-(2,6,6-trimethyl-cyclohex-1-enyl)-hexa-1,3,5-trienyl]-pyridine

D: 188554-17-8
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

Conditions	Yield
With sodium ethanolate 1.) EtOH, room temp., 2.) CH3NO2, reflux; Yield given. Multistep reaction;

...Expand

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 186953-22-0
(2E)-4-[(tert-butyldiphenylsilyl)oxy]-2-fluorobut-2-enal

: 186953-39-9
(7E,9E,13E)-tert-butyldiphenylsilyl 13-demethyl-13-fluororetinyl ether

Conditions

Conditions	Yield
With n-butyllithium 1.) THF, hexane, -78 deg C, 2.) THF, hexane, 25 deg C, 5 h; Yield given. Multistep reaction;

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 148802-00-0
(Z)-1-(tert-butyldimethylsilyloxy)-3-iodo-3-methylprop-2-ene

A: 118304-54-4
tert-butyldimethylsilyl Δ13-(Z)-retinyl ether

B: 118304-54-4, 118353-70-1
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

Conditions	Yield
With potassium tert-butylate; tert.-butyl lithium In diethyl ether; pentane at -75 - 25℃; for 6h; Wittig reaction;

...Expand

: 13920-19-9, 5056-18-8
4,4'-diapo-ψ,ψ-carotene-4,4'-dial

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 24513-48-2
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

Conditions	Yield
With sodium hydride In dichloromethane Wittig reaction;	67 % Spectr.

: 34561-05-2
6,6'-diapocarotene-6,6'-dial

: 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide

: 3,9,13,18,22,28-hexamethyl-1,30-bis(2,6,6-trimethylcyclohex-1-enyl)triaconta-1,3,5,7,9,11,13,15,17,19,21,23,25,27,29-pentadecaene

Conditions

Conditions	Yield
With sodium hydride In dichloromethane Wittig reaction;	66 % Spectr.

[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadien-1-yl](triphenyl)phosphonium bromide Specification

[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadien-1-yl](triphenyl)phosphonium bromide, with the CAS registry number 62285-98-7, is also named as Phosphonium, [(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadien-1-yl]triphenyl-, bromide (1:1). This chemical's molecular formula is C₃₃H₃₈BrP and molecular weight is 545.53. What's more, its systematic name is [(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadien-1-yl](triphenyl)phosphonium bromide.

You can still convert the following datas into molecular structure:
(1)SMILES: [Br-].C(/C1=C(/CCCC1(C)C)C)=C\C(=C\C[P+](c2ccccc2)(c3ccccc3)c4ccccc4)C
(2)Std. InChI: InChI=1S/C33H38P.BrH/c1-27(22-23-32-28(2)15-14-25-33(32,3)4)24-26-34(29-16-8-5-9-17-29,30-18-10-6-11-19-30)31-20-12-7-13-21-31;/h5-13,16-24H,14-15,25-26H2,1-4H3;1H/q+1;/p-1/b23-22+,27-24+;
(3)Std. InChIKey: WZGAXXYWWOUQHF-IUKQBHTCSA-M

Product Name

[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2,4-pentadien-1-yl](triphenyl)phosphonium bromide

Synthetic route

[(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadien-1-yl](triphenyl)phosphonium bromide Specification

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