C₃₈H₄₂O₁₉

Base Information

• Chemical Name: C₃₈H₄₂O₁₉
• CAS No.: 346420-65-3
• Molecular Formula: C₃₈H₄₂O₁₉
• Molecular Weight: 802.74

Synonyms:C₃₈H₄₂O₁₉

Chemical Property of C₃₈H₄₂O₁₉

Chemical Property:

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Technology Process of C₃₈H₄₂O₁₉

There total 1 articles about C₃₈H₄₂O₁₉ 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: 90.0%

acetyl chloride (75-36-5) + C26H30O13 → C38H42O19 (346420-65-3)

Guidance literature:

With pyridine; dmap; at 20 ℃; for 4h;

DOI:10.1039/b101234g

Reference yield: 75.0%

C38H42O19 (346420-65-3) → C36H40O18

Guidance literature:

With hydrazinium monoacetate; In dichloromethane; at 20 ℃; for 2h;

DOI:10.1039/b101234g

Reference yield:

C38H42O19 (346420-65-3) → Prop-2-ynyl (2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2,6-di-O-benzoyl-β-D-galactopyranoside (346420-68-6)

Guidance literature:

Multi-step reaction with 3 steps

1: 75 percent / hydrazinium acetate / CH₂Cl₂ / 2 h / 20 °C

2: 90 percent / DBU / CH₂Cl₂ / 5 h / 20 °C

3: 86 percent / TfOH; molecular sieves 4 Angstroem / CH₂Cl₂ / 4 h / 20 °C

With trifluorormethanesulfonic acid; 4 A molecular sieve; hydrazinium monoacetate; 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane;

DOI:10.1039/b101234g

upstream raw materials:

acetyl chloride

Downstream raw materials:

Prop-2-ynyl (2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2,6-di-O-benzoyl-β-D-galactopyranoside

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