[(S)-3-Benzyloxy-2-((4R,5R)-5-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid tert-butyl ester

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Chemical Name:[(S)-3-Benzyloxy-2-((4R,5R)-5-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid tert-butyl ester
CAS No.:202979-49-5
Molecular Formula:C₂₁H₃₃NO₆
Molecular Weight:395.496
Hs Code.:

Synonyms:[(S)-3-Benzyloxy-2-((4R,5R)-5-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid tert-butyl ester

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Chemical Property of [(S)-3-Benzyloxy-2-((4R,5R)-5-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid tert-butyl ester

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Technology Process of [(S)-3-Benzyloxy-2-((4R,5R)-5-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid tert-butyl ester

There total 4 articles about [(S)-3-Benzyloxy-2-((4R,5R)-5-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid tert-butyl 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: 97.0%

: 202979-48-4
{(S)-3-Benzyloxy-2-[(4R,5R)-5-(tert-butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-propyl}-carbamic acid tert-butyl ester

: 202979-49-5
[(S)-3-Benzyloxy-2-((4R,5R)-5-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid tert-butyl ester

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran;
DOI:10.1016/S0040-4039(97)10855-3

Reference yield:

: 208767-20-8
[(2S,3R,4R)-2-Benzyloxymethyl-5-(tert-butyl-diphenyl-silanyloxy)-3,4-dihydroxy-pentyl]-carbamic acid tert-butyl ester

: 202979-49-5
[(S)-3-Benzyloxy-2-((4R,5R)-5-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 94 percent / 2,2-dimethoxypropane, p-TsOH / 24 h

2: 97 percent / Bu₄NF / tetrahydrofuran / 12 h

With tetrabutyl ammonium fluoride; toluene-4-sulfonic acid; 2,2-dimethoxy-propane; In tetrahydrofuran;
DOI:10.1002/(sici)1099-0690(199806)1998:6<1155::aid-ejoc1155>3.0.co;2-g

Reference yield:

: 208767-18-4
(E)-(2R,3S)-3-Benzyloxymethyl-2-tert-butoxycarbonylamino-6-(tert-butyl-diphenyl-silanyloxy)-hex-4-enoic acid

: 202979-49-5
[(S)-3-Benzyloxy-2-((4R,5R)-5-hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 1) N-methylmorpholine, ClCOOiBu, 2) N-hydroxythiopyridone Na salt, 3) tert-butylmercaptane / 1) THF, -20 deg C, 20 min, 2) THF, -20 deg C, 3) THF, RT, 45 min, irradiation

2: 88 percent / OsO₄, K₂CO₃, K₃, methanesulfonamide, (DHQD)2PHAL / toluene; H₂O; 2-methyl-propan-2-ol / Ambient temperature

3: 94 percent / 2,2-dimethoxypropane, p-TsOH / 24 h

4: 97 percent / Bu₄NF / tetrahydrofuran / 12 h

With 4-methyl-morpholine; osmium(VIII) oxide; methanesulfonamide; N-hydroxythiopyridone Na salt; tetrabutyl ammonium fluoride; potassium carbonate; toluene-4-sulfonic acid; 2-methylpropan-2-thiol; 1,4-bis(9-O-dihydroquinidine)phthalazine; 2,2-dimethoxy-propane; potassium hexacyanoferrate(III); isobutyl chloroformate; In tetrahydrofuran; water; toluene; tert-butyl alcohol;
DOI:10.1002/(sici)1099-0690(199806)1998:6<1155::aid-ejoc1155>3.0.co;2-g