allyl 2,4-di-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside

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Chemical Name:allyl 2,4-di-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside
CAS No.:541503-08-6
Molecular Formula:C₃₈H₄₀O₁₃
Molecular Weight:704.728
Hs Code.:

Synonyms:allyl 2,4-di-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside

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Chemical Property of allyl 2,4-di-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside

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Technology Process of allyl 2,4-di-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside

There total 10 articles about allyl 2,4-di-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside 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: 81.0%

: 541503-07-5
allyl 2,4-di-O-benzoyl-3-O-chloroacetyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside

: 541503-08-6
allyl 2,4-di-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside

Guidance literature:: With thiourea; In ethanol; dichloromethane; for 16h; Heating;
DOI:10.1016/S0040-4020(03)00075-9

Reference yield:

: 100639-25-6,71695-57-3
allyl 2,3-O-isopropylidene-α-L-rhamnopyranoside

: 541503-08-6
allyl 2,4-di-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 8 steps

1: pyridine / dimethylformamide / 24 h / 20 °C

2: 2.63 g / acetic acid / 1 h / Heating

3: 83 percent / pyridine / CH₂Cl₂ / 2 h / 0 - 20 °C

4: 92 percent / pyridine / 20 °C

5: acetic acid; sodium acetate; PdCl₂ / 12 h

6: 2.46 g / DBU / CH₂Cl₂ / 2 h / 20 °C

7: 88 percent / TMSOTf / CH₂Cl₂ / 2 h / 0 °C

8: 81 percent / thiourea / CH₂Cl₂; ethanol / 16 h / Heating

With pyridine; trimethylsilyl trifluoromethanesulfonate; sodium acetate; acetic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; thiourea; palladium dichloride; In ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(03)00075-9

Reference yield:

: 64650-81-3
allyl α-L-rhamnopyranoside

: 541503-08-6
allyl 2,4-di-O-benzoyl-α-L-rhamnopyranosyl-(1->2)-3-O-acetyl-4-O-benzoyl-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 9 steps

1: p-TsOH*H₂O / dimethylformamide / 12 h

2: pyridine / dimethylformamide / 24 h / 20 °C

3: 2.63 g / acetic acid / 1 h / Heating

4: 83 percent / pyridine / CH₂Cl₂ / 2 h / 0 - 20 °C

5: 92 percent / pyridine / 20 °C

6: acetic acid; sodium acetate; PdCl₂ / 12 h

7: 2.46 g / DBU / CH₂Cl₂ / 2 h / 20 °C

8: 88 percent / TMSOTf / CH₂Cl₂ / 2 h / 0 °C

9: 81 percent / thiourea / CH₂Cl₂; ethanol / 16 h / Heating

With pyridine; trimethylsilyl trifluoromethanesulfonate; sodium acetate; toluene-4-sulfonic acid; acetic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; thiourea; palladium dichloride; In ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(03)00075-9