(S)-(1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl ester

Base Information

Chemical Name:(S)-(1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl ester
CAS No.:338386-48-4
Molecular Formula:C₂₀H₂₈N₂O₄
Molecular Weight:360.453
Hs Code.:

Synonyms:(S)-(1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl ester

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Chemical Property of (S)-(1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl ester

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Technology Process of (S)-(1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl ester

There total 8 articles about (S)-(1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl 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%

: 338386-47-3
(S)-(9-methoxy-1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl ester

: 338386-48-4
(S)-(1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl ester

Guidance literature:: With acetic acid; zinc; at 75 ℃; for 5h;
DOI:10.1021/ol015626o

Reference yield:

: 113089-15-9
(S)-2-methoxycarbonylamino-3-(4-methoxyphenyl)-propionic acid methyl ester

: 338386-48-4
(S)-(1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl ester

Guidance literature:: Multi-step reaction with 8 steps

1.1: 97 percent / NaOH; H₂O / dioxane / 0.5 h / 0 °C

2.1: 75 percent / 1,3-dicyclohexylcarbodiimide; 1-hydroxybenzotriazole hydrate; N-methyl morpholine / dimethylformamide; CH₂Cl₂ / 24 h / 20 °C

3.1: bis(trifluoroacetoxy)iodobenzene; MeOH / CH₂Cl₂; methanol / 0.17 h / 0 °C

3.2: 69 percent / H₂O / 0.08 h / 0 °C

4.1: 96 percent / H₂ / Pd/C / ethyl acetate / 6 h / 20 °C / 760.05 Torr

5.1: 90 percent / pyridinium p-toluenesulfonate / benzene / 3.5 h / Heating

6.1: 65 percent / LiAlH₄ / tetrahydrofuran / 11 h / Heating

7.1: 91 percent / Et₃N / CH₂Cl₂ / 3 h / 0 - 20 °C

8.1: 84 percent / Zn; AcOH / 5 h / 75 °C

With 4-methyl-morpholine; methanol; sodium hydroxide; lithium aluminium tetrahydride; water; hydrogen; pyridinium p-toluenesulfonate; acetic acid; 1-hydroxybenzotriazol-hydrate; triethylamine; dicyclohexyl-carbodiimide; bis-[(trifluoroacetoxy)iodo]benzene; zinc; palladium on activated charcoal; In tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; ethyl acetate; N,N-dimethyl-formamide; benzene;
DOI:10.1021/ol015626o

Reference yield:

: 338386-37-1
(S)-(1-methoxy-2,8-dioxo-1-azaspiro[4.5]deca-6,9-dien-3-yl)-carbamic acid methyl ester

: 338386-48-4
(S)-(1,4-dioxa-9-azadispiro[4.2.4.2]tetradec-11-yl)-methyl-carbamic acid benzyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 96 percent / H₂ / Pd/C / ethyl acetate / 6 h / 20 °C / 760.05 Torr

2: 90 percent / pyridinium p-toluenesulfonate / benzene / 3.5 h / Heating

3: 65 percent / LiAlH₄ / tetrahydrofuran / 11 h / Heating

4: 91 percent / Et₃N / CH₂Cl₂ / 3 h / 0 - 20 °C

5: 84 percent / Zn; AcOH / 5 h / 75 °C

With lithium aluminium tetrahydride; hydrogen; pyridinium p-toluenesulfonate; acetic acid; triethylamine; zinc; palladium on activated charcoal; In tetrahydrofuran; dichloromethane; ethyl acetate; benzene;
DOI:10.1021/ol015626o