3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide)

Base Information

Chemical Name:3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide)
CAS No.:99647-34-4
Molecular Formula:Br*C₃₈H₄₆OP
Molecular Weight:629.66
Hs Code.:

3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide)

Synonyms:3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide)

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Chemical Property of 3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide)

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Technology Process of 3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide)

There total 4 articles about 3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide) which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 141-10-6,3548-78-5
pseudoionone

: 99647-34-4
3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide)

Guidance literature:: Multi-step reaction with 4 steps

1: ZnCl₂ / 0.75 h / -60 °C / in CH₃CH₂NO₂

2: pyridine / Ambient temperature

3: 95 percent / tetrahydrofuran / -30 deg C, 20 min (adding), then up to RT, 1.5 h

4: 60 percent / methanol / 30 h / Ambient temperature

With zinc(II) chloride; In tetrahydrofuran; pyridine; methanol;
DOI:10.1016/S0040-4020(01)96529-9

Reference yield:

: 1838-94-4
isoprene epoxide

: 99647-34-4
3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide)

Guidance literature:: Multi-step reaction with 4 steps

1: ZnCl₂ / 0.75 h / -60 °C / in CH₃CH₂NO₂

2: pyridine / Ambient temperature

3: 95 percent / tetrahydrofuran / -30 deg C, 20 min (adding), then up to RT, 1.5 h

4: 60 percent / methanol / 30 h / Ambient temperature

With zinc(II) chloride; In tetrahydrofuran; pyridine; methanol;
DOI:10.1016/S0040-4020(01)96529-9

Reference yield:

: 99647-24-2,99685-15-1
4β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 3E-buten 2-one (2-hydroxyprenyl α-cis-ionone)

: 99647-34-4
3-methyl 5β-<2,6,6-trimethyl 5β-(4-hydroxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 1,4-pentadienyl triphenylphosphonium bromide (2-hydroxyprenyl α-cis-ionylidene ethyltriphenylphosphonium bromide)

Guidance literature:: Multi-step reaction with 3 steps

1: pyridine / Ambient temperature

2: 95 percent / tetrahydrofuran / -30 deg C, 20 min (adding), then up to RT, 1.5 h

3: 60 percent / methanol / 30 h / Ambient temperature

In tetrahydrofuran; pyridine; methanol;
DOI:10.1016/S0040-4020(01)96529-9