1-benzyl 3-methyl 8-[(4-methylphenyl)sulfonyl]-1,8-diazaspiro[5.5]undec-3-ene-1,3-dicarboxylate

Base Information

Chemical Name:1-benzyl 3-methyl 8-[(4-methylphenyl)sulfonyl]-1,8-diazaspiro[5.5]undec-3-ene-1,3-dicarboxylate
CAS No.:955936-64-8
Molecular Formula:C₂₆H₃₀N₂O₆S
Molecular Weight:498.6
Hs Code.:

Synonyms:1-benzyl 3-methyl 8-[(4-methylphenyl)sulfonyl]-1,8-diazaspiro[5.5]undec-3-ene-1,3-dicarboxylate

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Chemical Property of 1-benzyl 3-methyl 8-[(4-methylphenyl)sulfonyl]-1,8-diazaspiro[5.5]undec-3-ene-1,3-dicarboxylate

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Technology Process of 1-benzyl 3-methyl 8-[(4-methylphenyl)sulfonyl]-1,8-diazaspiro[5.5]undec-3-ene-1,3-dicarboxylate

There total 4 articles about 1-benzyl 3-methyl 8-[(4-methylphenyl)sulfonyl]-1,8-diazaspiro[5.5]undec-3-ene-1,3-dicarboxylate 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: 65.0%

: 955936-63-7
methyl 2-[([(benzyloxy)carbonyl]{1-[(4-methylphenyl)sulfonyl]-3-prop-2-en-1-ylpiperidin-3-yl}amino)methyl]prop-2-enoate

: 955936-64-8
1-benzyl 3-methyl 8-[(4-methylphenyl)sulfonyl]-1,8-diazaspiro[5.5]undec-3-ene-1,3-dicarboxylate

Guidance literature:: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; In dichloromethane; for 4h; Heating;
DOI:10.1016/j.tet.2007.07.083

Reference yield:

: 955936-62-6
benzyl {1-[(4-methylphenyl)sulfonyl]-3-prop-2-en-1-ylpiperidin-3-yl}carbamate

: 955936-64-8
1-benzyl 3-methyl 8-[(4-methylphenyl)sulfonyl]-1,8-diazaspiro[5.5]undec-3-ene-1,3-dicarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: 50 percent / NaH / tetrahydrofuran; dimethylformamide / 0 - 23 °C

2: 65 percent / second generation Grubbs catalyst / CH₂Cl₂ / 4 h / Heating

With sodium hydride; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.tet.2007.07.083

Reference yield:

: 621-84-1
O-benzyl carbamate

: 955936-64-8
1-benzyl 3-methyl 8-[(4-methylphenyl)sulfonyl]-1,8-diazaspiro[5.5]undec-3-ene-1,3-dicarboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: BF₃*Et₂O / CH₂Cl₂ / 9 h / 0 - 23 °C

2: 50 percent / NaH / tetrahydrofuran; dimethylformamide / 0 - 23 °C

3: 65 percent / second generation Grubbs catalyst / CH₂Cl₂ / 4 h / Heating

With boron trifluoride diethyl etherate; sodium hydride; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.tet.2007.07.083