methyl (1aR,7bS)-5-(2-bromo-4-fluorobenzenesulfonylamino)-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

Base Information

Chemical Name:methyl (1aR,7bS)-5-(2-bromo-4-fluorobenzenesulfonylamino)-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate
CAS No.:1609200-99-8
Molecular Formula:C₁₈H₁₅BrFNO₅S
Molecular Weight:456.289
Hs Code.:

Synonyms:methyl (1aR,7bS)-5-(2-bromo-4-fluorobenzenesulfonylamino)-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

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Chemical Property of methyl (1aR,7bS)-5-(2-bromo-4-fluorobenzenesulfonylamino)-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

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Technology Process of methyl (1aR,7bS)-5-(2-bromo-4-fluorobenzenesulfonylamino)-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

There total 8 articles about methyl (1aR,7bS)-5-(2-bromo-4-fluorobenzenesulfonylamino)-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate 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:

: 351003-45-7
2-bromo-4-fluorobenzene-1-sulfonyl chloride

: 1412976-22-7
methyl (1aR,7bS)-5-amino-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

: 1609200-99-8
methyl (1aR,7bS)-5-(2-bromo-4-fluorobenzenesulfonylamino)-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

Guidance literature:: With pyridine; In dichloromethane; at 0 - 20 ℃; for 2.16667h; Inert atmosphere;

Reference yield:

: 1412976-20-5
methyl 5-(2,2-dimethylpropionylamino)-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

: 1609200-99-8
methyl (1aR,7bS)-5-(2-bromo-4-fluorobenzenesulfonylamino)-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: sulfuric acid / methanol / 60 h / Inert atmosphere; Reflux

2: Lux C-3 column / methanol; diethylamine; carbon dioxide / Supercritical conditions; liquid CO₂

3: pyridine / dichloromethane / 2.17 h / 0 - 20 °C / Inert atmosphere

With pyridine; sulfuric acid; In methanol; dichloromethane; carbon dioxide; diethylamine;

Reference yield:

: 1412976-18-1
methyl (1aRS,7bSR)-5-amino-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

: 1609200-99-8
methyl (1aR,7bS)-5-(2-bromo-4-fluorobenzenesulfonylamino)-1,1 a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: Lux C-3 column / methanol; diethylamine; carbon dioxide / Supercritical conditions; liquid CO₂

2: pyridine / dichloromethane / 2.17 h / 0 - 20 °C / Inert atmosphere

With pyridine; In methanol; dichloromethane; carbon dioxide; diethylamine;