2-[(3S,3aS,6S,7aS)-3,6-Dimethyl-6-[2-(2-nitro-phenylselanyl)-ethyl]-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester

Base Information

Chemical Name:2-[(3S,3aS,6S,7aS)-3,6-Dimethyl-6-[2-(2-nitro-phenylselanyl)-ethyl]-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester
CAS No.:207742-41-4
Molecular Formula:C₂₂H₂₇NO₆Se
Molecular Weight:480.419
Hs Code.:

Synonyms:2-[(3S,3aS,6S,7aS)-3,6-Dimethyl-6-[2-(2-nitro-phenylselanyl)-ethyl]-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester

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Chemical Property of 2-[(3S,3aS,6S,7aS)-3,6-Dimethyl-6-[2-(2-nitro-phenylselanyl)-ethyl]-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester

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Technology Process of 2-[(3S,3aS,6S,7aS)-3,6-Dimethyl-6-[2-(2-nitro-phenylselanyl)-ethyl]-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester

There total 6 articles about 2-[(3S,3aS,6S,7aS)-3,6-Dimethyl-6-[2-(2-nitro-phenylselanyl)-ethyl]-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester 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: 84.0%

: 51694-22-5
ortho-nitrophenyl selenocyanate

: 207742-40-3
2-[(3S,3aS,6S,7aS)-6-(2-Hydroxy-ethyl)-3,6-dimethyl-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester

: 207742-41-4
2-[(3S,3aS,6S,7aS)-3,6-Dimethyl-6-[2-(2-nitro-phenylselanyl)-ethyl]-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester

Guidance literature:: With tributylphosphine; In tetrahydrofuran; pyridine; for 1h; Ambient temperature;
DOI:10.1016/S0040-4039(98)00363-3

Reference yield:

: 481-06-1
santonin

: 207742-41-4
2-[(3S,3aS,6S,7aS)-3,6-Dimethyl-6-[2-(2-nitro-phenylselanyl)-ethyl]-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 100 percent / hydrogen / Wilkinson catalyst / benzene

2: 65 percent / acetic acid / 20 h / 80 °C

3: 95 percent / p-toluenesulphonic acid / methanol / 5 h / Heating

4: methanol; hexane / 0.42 h / Ambient temperature

5: sodium borohydride / methanol / 0.42 h / 0 °C

6: 84 percent / Bu₃P / tetrahydrofuran; pyridine / 1 h / Ambient temperature

With sodium tetrahydroborate; tributylphosphine; hydrogen; toluene-4-sulfonic acid; Wilkinson's catalyst; In tetrahydrofuran; pyridine; methanol; hexane; acetic acid; benzene;
DOI:10.1016/S0040-4039(98)00363-3

Reference yield:

: 207742-37-8
2-acetoxy-3-oxo-7αH,6,11βH-eudesm-4-en-6,12-olide

: 207742-41-4
2-[(3S,3aS,6S,7aS)-3,6-Dimethyl-6-[2-(2-nitro-phenylselanyl)-ethyl]-2-oxo-hexahydro-benzofuran-(7E)-ylidene]-propionic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 67 percent / Pb(OAc)4 / hexane

2: 84 percent / tri-n-butylphosphane / tetrahydrofuran; pyridine / 1 h

With lead(IV) acetate; tributylphosphine; In tetrahydrofuran; pyridine; hexane; 1: Ring cleavage / 2: Substitution;
DOI:10.1002/1099-0690(200006)2000:11<2145::AID-EJOC2145>3.0.CO;2-N