8-(R)-3'-N-demethyl-8a-oxa-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)-8a-homoerythromycin A cyclic 11,12-carbonate

Base Information

Chemical Name:8-(R)-3'-N-demethyl-8a-oxa-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)-8a-homoerythromycin A cyclic 11,12-carbonate
CAS No.:488794-82-7
Molecular Formula:C₆₁H₈₁NO₂₁
Molecular Weight:1164.31
Hs Code.:

Synonyms:8-(R)-3'-N-demethyl-8a-oxa-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)-8a-homoerythromycin A cyclic 11,12-carbonate

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Chemical Property of 8-(R)-3'-N-demethyl-8a-oxa-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)-8a-homoerythromycin A cyclic 11,12-carbonate

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Technology Process of 8-(R)-3'-N-demethyl-8a-oxa-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)-8a-homoerythromycin A cyclic 11,12-carbonate

There total 9 articles about 8-(R)-3'-N-demethyl-8a-oxa-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)-8a-homoerythromycin A cyclic 11,12-carbonate 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: 98.0%

: 488794-80-5
3'-N-demethyl-6-deoxy-6,9-epoxy-6-[(R)-2-hydroxypropyl]-7,8-nor-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)erythromycin A cyclic 11,12-carbonate

: 488794-82-7
8-(R)-3'-N-demethyl-8a-oxa-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)-8a-homoerythromycin A cyclic 11,12-carbonate

Guidance literature:: With sodium hydride; In tetrahydrofuran; at 20 ℃; for 0.833333h;
DOI:10.1021/jo020458e

Reference yield:

: 501-53-1,94274-21-2
benzyl chloroformate

: 488794-82-7
8-(R)-3'-N-demethyl-8a-oxa-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)-8a-homoerythromycin A cyclic 11,12-carbonate

Guidance literature:: Multi-step reaction with 8 steps

1: 100 percent / NaHCO₃ / dioxane / 1 h / 70 - 75 °C

2: K₂CO₃ / tetrahydrofuran / 2 h / 20 °C

3: 48.7 g / NaH / tetrahydrofuran; various solvent(s) / 1 h / 20 °C

4: 42 percent / pyridinium chlorochromate; Celite / 1,2-dichloro-ethane / 8 h / 50 - 55 °C

5: 29 percent / BH₃*THF complex / tetrahydrofuran / 2.08 h

6: triethylamine / CH₂Cl₂ / 2 h / -40 - -30 °C

7: 1.46 g / water / tetrahydrofuran / 2.5 h / 75 °C

8: 98 percent / NaH / tetrahydrofuran; various solvent(s) / 0.83 h / 20 °C

With borane-THF; Celite; water; sodium hydride; sodium hydrogencarbonate; potassium carbonate; triethylamine; pyridinium chlorochromate; In tetrahydrofuran; 1,4-dioxane; dichloromethane; 1,2-dichloro-ethane;
DOI:10.1021/jo020458e

Reference yield:

: 8,9-anhydro-2'-O,3'-N-bis(benzyloxycarbonyl)-3'-N-demethylerythromycin A 6,9-hemiketal cyclic 11,12-carbonate

: 488794-82-7
8-(R)-3'-N-demethyl-8a-oxa-2'-O,3'-N,4''-O-tris(benzyloxycarbonyl)-8a-homoerythromycin A cyclic 11,12-carbonate

Guidance literature:: Multi-step reaction with 7 steps

1: K₂CO₃ / tetrahydrofuran / 2 h / 20 °C

2: 48.7 g / NaH / tetrahydrofuran; various solvent(s) / 1 h / 20 °C

3: 42 percent / pyridinium chlorochromate; Celite / 1,2-dichloro-ethane / 8 h / 50 - 55 °C

4: 29 percent / BH₃*THF complex / tetrahydrofuran / 2.08 h

5: triethylamine / CH₂Cl₂ / 2 h / -40 - -30 °C

6: 1.46 g / water / tetrahydrofuran / 2.5 h / 75 °C

7: 98 percent / NaH / tetrahydrofuran; various solvent(s) / 0.83 h / 20 °C

With borane-THF; Celite; water; sodium hydride; potassium carbonate; triethylamine; pyridinium chlorochromate; In tetrahydrofuran; dichloromethane; 1,2-dichloro-ethane;
DOI:10.1021/jo020458e