2,2-Dimethyl-propionic acid (S)-1-methyl-3-[(R)-2,6,6-trimethyl-4-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-cyclohex-1-enyl]-propyl ester

Base Information

Chemical Name:2,2-Dimethyl-propionic acid (S)-1-methyl-3-[(R)-2,6,6-trimethyl-4-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-cyclohex-1-enyl]-propyl ester
CAS No.:649723-27-3
Molecular Formula:C₂₄H₄₂O₈
Molecular Weight:458.593
Hs Code.:

2,2-Dimethyl-propionic acid (S)-1-methyl-3-[(R)-2,6,6-trimethyl-4-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-cyclohex-1-enyl]-propyl ester

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Chemical Property of 2,2-Dimethyl-propionic acid (S)-1-methyl-3-[(R)-2,6,6-trimethyl-4-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-cyclohex-1-enyl]-propyl ester

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Technology Process of 2,2-Dimethyl-propionic acid (S)-1-methyl-3-[(R)-2,6,6-trimethyl-4-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-cyclohex-1-enyl]-propyl ester

There total 6 articles about 2,2-Dimethyl-propionic acid (S)-1-methyl-3-[(R)-2,6,6-trimethyl-4-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-cyclohex-1-enyl]-propyl ester 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:

: 322474-89-5
Acetic acid (R)-4-((S)-3-hydroxy-but-1-ynyl)-3,5,5-trimethyl-cyclohex-3-enyl ester

: 649723-27-3
2,2-Dimethyl-propionic acid (S)-1-methyl-3-[(R)-2,6,6-trimethyl-4-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-cyclohex-1-enyl]-propyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 78 percent / H₂ / Pd/C / ethanol / 3 h / 20 °C

2: pyridine / 15 h / 20 °C

3: 727 mg / NaOMe / methanol / 2 h / 20 °C

4: 48 percent / AgOTf; N,N-tetramethylurea; 4A molecular sieves / CH₂Cl₂ / 2.5 h / 0 - 20 °C

5: 95 percent / LiOH*H₂O / methanol / 20 h / 20 °C

With pyridine; lithium hydroxide; 4 A molecular sieve; hydrogen; sodium methylate; silver trifluoromethanesulfonate; tetramethylurea; palladium on activated charcoal; In methanol; ethanol; dichloromethane;
DOI:10.1248/cpb.51.878

Reference yield:

: 81058-27-7
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

: 649723-27-3
2,2-Dimethyl-propionic acid (S)-1-methyl-3-[(R)-2,6,6-trimethyl-4-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-cyclohex-1-enyl]-propyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 48 percent / AgOTf; N,N-tetramethylurea; 4A molecular sieves / CH₂Cl₂ / 2.5 h / 0 - 20 °C

2: 95 percent / LiOH*H₂O / methanol / 20 h / 20 °C

With lithium hydroxide; 4 A molecular sieve; silver trifluoromethanesulfonate; tetramethylurea; In methanol; dichloromethane;
DOI:10.1248/cpb.51.878

Reference yield:

: 3282-30-2
pivaloyl chloride

: 649723-27-3
2,2-Dimethyl-propionic acid (S)-1-methyl-3-[(R)-2,6,6-trimethyl-4-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-cyclohex-1-enyl]-propyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: pyridine / 15 h / 20 °C

2: 727 mg / NaOMe / methanol / 2 h / 20 °C

3: 48 percent / AgOTf; N,N-tetramethylurea; 4A molecular sieves / CH₂Cl₂ / 2.5 h / 0 - 20 °C

4: 95 percent / LiOH*H₂O / methanol / 20 h / 20 °C

With pyridine; lithium hydroxide; 4 A molecular sieve; sodium methylate; silver trifluoromethanesulfonate; tetramethylurea; In methanol; dichloromethane;
DOI:10.1248/cpb.51.878