methyl 4-(4-but-2-ynyloxybenzenesulfonyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-carboxylate

Base Information

Chemical Name:methyl 4-(4-but-2-ynyloxybenzenesulfonyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-carboxylate
CAS No.:287121-25-9
Molecular Formula:C₂₁H₂₂N₂O₅S
Molecular Weight:414.482
Hs Code.:

Synonyms:methyl 4-(4-but-2-ynyloxybenzenesulfonyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-carboxylate

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of methyl 4-(4-but-2-ynyloxybenzenesulfonyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-carboxylate

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Technology Process of methyl 4-(4-but-2-ynyloxybenzenesulfonyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-carboxylate

There total 5 articles about methyl 4-(4-but-2-ynyloxybenzenesulfonyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-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:

: 2-[(2-benzyloxycarbonylamino-benzyl)-(4-but-2-ynyloxy-benzenesulfonyl)-amino]-3-hydroxy-propionic acid methyl ester

: 287121-25-9
methyl 4-(4-but-2-ynyloxybenzenesulfonyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-carboxylate

Guidance literature:: With sodium hydrogencarbonate; In methanol; at 45 ℃;
DOI:10.1016/j.bmcl.2004.06.031

Reference yield:

: 3958-60-9
2-nitrophenylmethyl bromide

: 287121-25-9
methyl 4-(4-but-2-ynyloxybenzenesulfonyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: Bu₄NI; NaH / dimethylformamide

2: SnCl₂ / ethanol

3: TEA

4: NaHCO₃ / methanol / 45 °C

With TEA; tetra-(n-butyl)ammonium iodide; sodium hydride; sodium hydrogencarbonate; tin(ll) chloride; In methanol; ethanol; N,N-dimethyl-formamide; 4: intramolecular Michael addition;
DOI:10.1016/j.bmcl.2004.06.031

Reference yield:

: 287121-33-9
methyl 2-({[4-(2-butynyloxy)phenyl]sulfonyl}amino)-3-hydroxypropanoate

: 287121-25-9
methyl 4-(4-but-2-ynyloxybenzenesulfonyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: Bu₄NI; NaH / dimethylformamide

2: SnCl₂ / ethanol

3: TEA

4: NaHCO₃ / methanol / 45 °C

With TEA; tetra-(n-butyl)ammonium iodide; sodium hydride; sodium hydrogencarbonate; tin(ll) chloride; In methanol; ethanol; N,N-dimethyl-formamide; 4: intramolecular Michael addition;
DOI:10.1016/j.bmcl.2004.06.031