7-<3-bromo-3,4-dideoxy-6-O-(2-triphenylmethoxyethyl)-β-D-glycero-hex-3-enopyranosyl-2-ulose>theophylline

Base Information

Chemical Name:7-<3-bromo-3,4-dideoxy-6-O-(2-triphenylmethoxyethyl)-β-D-glycero-hex-3-enopyranosyl-2-ulose>theophylline
CAS No.:101973-47-1
Molecular Formula:C₃₄H₃₁BrN₄O₆
Molecular Weight:671.547
Hs Code.:

Synonyms:7-<3-bromo-3,4-dideoxy-6-O-(2-triphenylmethoxyethyl)-β-D-glycero-hex-3-enopyranosyl-2-ulose>theophylline

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Chemical Property of 7-<3-bromo-3,4-dideoxy-6-O-(2-triphenylmethoxyethyl)-β-D-glycero-hex-3-enopyranosyl-2-ulose>theophylline

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Technology Process of 7-<3-bromo-3,4-dideoxy-6-O-(2-triphenylmethoxyethyl)-β-D-glycero-hex-3-enopyranosyl-2-ulose>theophylline

There total 7 articles about 7-<3-bromo-3,4-dideoxy-6-O-(2-triphenylmethoxyethyl)-β-D-glycero-hex-3-enopyranosyl-2-ulose>theophylline 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: 60.0%

: 7-<4-O-benzoyl-3-bromo-3-deoxy-6-O-(2-triphenylmethoxyethyl)-β-D-gulopyranosyl>theophylline

: 101973-47-1
7-<3-bromo-3,4-dideoxy-6-O-(2-triphenylmethoxyethyl)-β-D-glycero-hex-3-enopyranosyl-2-ulose>theophylline

Guidance literature:: With dipyridinium dichromate; 3 A molecular sieve; In dichloromethane; for 2.5h;
DOI:10.1016/S0008-6215(00)90426-9

Reference yield:

: 58-55-9,75448-53-2
theophylline

: 101973-47-1
7-<3-bromo-3,4-dideoxy-6-O-(2-triphenylmethoxyethyl)-β-D-glycero-hex-3-enopyranosyl-2-ulose>theophylline

Guidance literature:: Multi-step reaction with 6 steps

1: 2) SnCl₄ / 2) CH₃CN, 6 h, 80 deg C

2: 85 percent / NH₃ (sat. at 0 deg C in MeOH) / Ambient temperature

3: 63 percent / p-TsOH / dimethylformamide / 4 h / 68 - 70 °C

4: 77 percent / dimethylaminopyridine / CH₂Cl₂ / Ambient temperature

5: 87 percent / N-bromosuccinimide, BaCO₃ / CCl₄ / 2 h / Heating

6: 60 percent / pyridinium dichromate, mol. sieves Type 3A / CH₂Cl₂ / 2.5 h

With dmap; N-Bromosuccinimide; dipyridinium dichromate; 3 A molecular sieve; ammonia; tin(IV) chloride; toluene-4-sulfonic acid; barium carbonate; In tetrachloromethane; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(00)90426-9

Reference yield:

: 101996-97-8
7-<6-O-(2-hydroxyethyl)-β-D-galactopyranosyl>theophylline

: 101973-47-1
7-<3-bromo-3,4-dideoxy-6-O-(2-triphenylmethoxyethyl)-β-D-glycero-hex-3-enopyranosyl-2-ulose>theophylline

Guidance literature:: Multi-step reaction with 4 steps

1: 63 percent / p-TsOH / dimethylformamide / 4 h / 68 - 70 °C

2: 77 percent / dimethylaminopyridine / CH₂Cl₂ / Ambient temperature

3: 87 percent / N-bromosuccinimide, BaCO₃ / CCl₄ / 2 h / Heating

4: 60 percent / pyridinium dichromate, mol. sieves Type 3A / CH₂Cl₂ / 2.5 h

With dmap; N-Bromosuccinimide; dipyridinium dichromate; 3 A molecular sieve; toluene-4-sulfonic acid; barium carbonate; In tetrachloromethane; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(00)90426-9