(2S,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]nonane-2-carbaldehyde

Base Information

• Chemical Name: (2S,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]nonane-2-carbaldehyde
• CAS No.: 692734-63-7
• Molecular Formula: C₁₇H₂₂O₅
• Molecular Weight: 306.359
• Mol file: 692734-63-7.mol

Synonyms:(2S,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]nonane-2-carbaldehyde

Chemical Property of (2S,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]nonane-2-carbaldehyde

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2S,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]nonane-2-carbaldehyde

There total 1 articles about (2S,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]nonane-2-carbaldehyde 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:

(2R,3R)-[3-(4'-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-methanol (607358-63-4) → (2S,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]nonane-2-carbaldehyde (692734-63-7)

Guidance literature:

With oxalyl dichloride; dimethyl sulfoxide; triethylamine; In dichloromethane; at -78 - 20 ℃;

DOI:10.1021/ja049292k

Reference yield:

(2S,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]nonane-2-carbaldehyde (692734-63-7) → ((2S,3S)-3-{1-[(2R,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-vinyl}-1,4-dioxa-spiro[4.4]non-2-yl)-acetaldehyde (692734-66-0)

Guidance literature:

Multi-step reaction with 8 steps

1.1: n-BuLi / tetrahydrofuran; hexane / 0.25 h / 0 °C

1.2: ClTi(Oi-Pr)3 / tetrahydrofuran; hexane / 1.5 h / -60 °C

1.3: tetrahydrofuran; hexane / 2 h / -78 - -50 °C

2.1: 747 mg / Red-Al(R) / tetrahydrofuran; toluene / 0 - 20 °C

3.1: 86 percent / Dess-Martin periodinane; NaHCO₃ / CH₂Cl₂ / 0 - 20 °C

4.1: (DHQ)2-PHAL; K₃[Fe(CN)6]; K₂OsO₄*2H₂O / NaHCO₃; CH₃SO₂NH₂ / 2-methyl-propan-2-ol; H₂O / 22 h / 0 °C

5.1: TsOH*H₂O / CH₂Cl₂ / 2 h / 0 °C

6.1: NaHMDS / tetrahydrofuran / 0 - 20 °C

6.2: 6.351 g / tetrahydrofuran / 11 h / 0 °C

7.1: 78 percent / TBAF / tetrahydrofuran / 24 h / 20 °C

8.1: oxalyl chloride; DMSO; triethylamine / CH₂Cl₂ / -78 - 20 °C

With potassium osmate(VI); n-butyllithium; oxalyl dichloride; (DHQ)2-PHAL; tetrabutyl ammonium fluoride; sodium hexamethyldisilazane; sodium hydrogencarbonate; Dess-Martin periodane; toluene-4-sulfonic acid; dimethyl sulfoxide; triethylamine; sodium bis(2-methoxyethoxy)aluminium dihydride; potassium hexacyanoferrate(III); methanesulfonamide; sodium hydrogencarbonate; In tetrahydrofuran; hexane; dichloromethane; water; toluene; tert-butyl alcohol; 4.1: Sharpless asymmetric dihydroxylation / 6.2: Wittig reaction / 8.1: Moffat-Swern oxidation;

DOI:10.1021/ja0533646

Reference yield:

(2S,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]nonane-2-carbaldehyde (692734-63-7) → C28H38O6 (692734-56-8)

Guidance literature:

Multi-step reaction with 9 steps

1.1: n-BuLi / tetrahydrofuran; hexane / 0.25 h / 0 °C

1.2: ClTi(Oi-Pr)3 / tetrahydrofuran; hexane / 1.5 h / -60 °C

1.3: tetrahydrofuran; hexane / 2 h / -78 - -50 °C

2.1: 747 mg / Red-Al(R) / tetrahydrofuran; toluene / 0 - 20 °C

3.1: 86 percent / Dess-Martin periodinane; NaHCO₃ / CH₂Cl₂ / 0 - 20 °C

4.1: (DHQ)2-PHAL; K₃[Fe(CN)6]; K₂OsO₄*2H₂O / NaHCO₃; CH₃SO₂NH₂ / 2-methyl-propan-2-ol; H₂O / 22 h / 0 °C

5.1: TsOH*H₂O / CH₂Cl₂ / 2 h / 0 °C

6.1: NaHMDS / tetrahydrofuran / 0 - 20 °C

6.2: 6.351 g / tetrahydrofuran / 11 h / 0 °C

7.1: 78 percent / TBAF / tetrahydrofuran / 24 h / 20 °C

8.1: oxalyl chloride; DMSO; triethylamine / CH₂Cl₂ / -78 - 20 °C

9.1: n-BuLi / tetrahydrofuran; hexane / 0.5 h / 0 °C

9.2: 3.990 g / tetrahydrofuran; hexane / 15 h / 0 - 20 °C

With potassium osmate(VI); n-butyllithium; oxalyl dichloride; (DHQ)2-PHAL; tetrabutyl ammonium fluoride; sodium hexamethyldisilazane; sodium hydrogencarbonate; Dess-Martin periodane; toluene-4-sulfonic acid; dimethyl sulfoxide; triethylamine; sodium bis(2-methoxyethoxy)aluminium dihydride; potassium hexacyanoferrate(III); methanesulfonamide; sodium hydrogencarbonate; In tetrahydrofuran; hexane; dichloromethane; water; toluene; tert-butyl alcohol; 4.1: Sharpless asymmetric dihydroxylation / 6.2: Wittig reaction / 8.1: Moffat-Swern oxidation / 9.2: Wittig reaction;

DOI:10.1021/ja0533646

upstream raw materials:

(2R,3R)-[3-(4'-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-methanol

Downstream raw materials:

(R)-5-(tert-Butyl-dimethyl-silanyloxy)-1-[(2R,3R)-3-(4-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-pent-2-yn-1-ol

5-(tert-Butyl-dimethyl-silanyloxy)-1-[(2R,3R)-3-(4-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-pent-2-yn-1-ol

(E)-5-(tert-Butyl-dimethyl-silanyloxy)-1-[(2R,3R)-3-(4-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-pent-2-en-1-ol

5-(tert-Butyl-dimethyl-silanyloxy)-2,3-dihydroxy-1-[(2S,3R)-3-(4-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-pentan-1-one