methyl (4R)-(2-methoxy-4-methylphenyl)-5-tosyloxypentanoate

Base Information

Chemical Name:methyl (4R)-(2-methoxy-4-methylphenyl)-5-tosyloxypentanoate
CAS No.:170423-78-6
Molecular Formula:C₂₁H₂₆O₆S
Molecular Weight:406.5
Hs Code.:

Synonyms:methyl (4R)-(2-methoxy-4-methylphenyl)-5-tosyloxypentanoate

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Chemical Property of methyl (4R)-(2-methoxy-4-methylphenyl)-5-tosyloxypentanoate

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Technology Process of methyl (4R)-(2-methoxy-4-methylphenyl)-5-tosyloxypentanoate

There total 5 articles about methyl (4R)-(2-methoxy-4-methylphenyl)-5-tosyloxypentanoate 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:

: 164921-78-2
(E)-5-Acetoxy-4-(2-methoxy-4-methyl-phenyl)-pent-2-enoic acid methyl ester

: 170423-78-6
methyl (4R)-(2-methoxy-4-methylphenyl)-5-tosyloxypentanoate

Guidance literature:: Multi-step reaction with 4 steps

1: immobilized lipase OF-360 / H₂O; diisopropyl ether / 72 h / 33 °C

2: 99 percent / MeONa / methanol / 1 h / 0 °C

3: H₂ / 20 percent Pd(OH)2-C / ethyl acetate / 20 °C

4: pyridine / 12 h / 20 °C

With pyridine; immobilized lipase OF-360; hydrogen; sodium methylate; palladium hydroxide - carbon; In methanol; di-isopropyl ether; water; ethyl acetate; 1: racemate resolution;
DOI:10.1248/cpb.49.1581

Reference yield:

: 170423-67-3
(E)-(R)-5-Acetoxy-4-(2-methoxy-4-methyl-phenyl)-pent-2-enoic acid methyl ester

: 170423-78-6
methyl (4R)-(2-methoxy-4-methylphenyl)-5-tosyloxypentanoate

Guidance literature:: Multi-step reaction with 3 steps

1: 99 percent / MeONa / methanol / 1 h / 0 °C

2: H₂ / 20 percent Pd(OH)2-C / ethyl acetate / 20 °C

3: pyridine / 12 h / 20 °C

With pyridine; hydrogen; sodium methylate; palladium hydroxide - carbon; In methanol; ethyl acetate;
DOI:10.1248/cpb.49.1581

Reference yield:

: 170423-69-5
methyl (4R)-(2-methoxy-4-methylphenyl)-5-hydroxyphenoate

: 170423-78-6
methyl (4R)-(2-methoxy-4-methylphenyl)-5-tosyloxypentanoate

Guidance literature:: Multi-step reaction with 2 steps

1: H₂ / 20 percent Pd(OH)2-C / ethyl acetate / 20 °C

2: pyridine / 12 h / 20 °C

With pyridine; hydrogen; palladium hydroxide - carbon; In ethyl acetate;
DOI:10.1248/cpb.49.1581