(R)-N-tert-butoxycarbonyl-2-[(S)-1,2-dibenzyloxyethyl]-4-(1,3-dioxolane-2-yl)piperidine

Base Information

Chemical Name:(R)-N-tert-butoxycarbonyl-2-[(S)-1,2-dibenzyloxyethyl]-4-(1,3-dioxolane-2-yl)piperidine
CAS No.:238401-96-2
Molecular Formula:C₂₈H₃₇NO₆
Molecular Weight:483.605
Hs Code.:

Synonyms:(R)-N-tert-butoxycarbonyl-2-[(S)-1,2-dibenzyloxyethyl]-4-(1,3-dioxolane-2-yl)piperidine

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Chemical Property of (R)-N-tert-butoxycarbonyl-2-[(S)-1,2-dibenzyloxyethyl]-4-(1,3-dioxolane-2-yl)piperidine

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Technology Process of (R)-N-tert-butoxycarbonyl-2-[(S)-1,2-dibenzyloxyethyl]-4-(1,3-dioxolane-2-yl)piperidine

There total 8 articles about (R)-N-tert-butoxycarbonyl-2-[(S)-1,2-dibenzyloxyethyl]-4-(1,3-dioxolane-2-yl)piperidine 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: 70.0%

: 24424-99-5
di-tert-butyl dicarbonate

: (R)-7-((S)-1,2-Bis-benzyloxy-ethyl)-1,4-dioxa-8-aza-spiro[4.5]decane

: 238401-96-2
(R)-N-tert-butoxycarbonyl-2-[(S)-1,2-dibenzyloxyethyl]-4-(1,3-dioxolane-2-yl)piperidine

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; at 50 ℃; for 20h;
DOI:10.1016/S0040-4020(99)00377-4

Reference yield:

: 238401-88-2
(R)-2,3-diO-dibenzylglyceraldehyde (S)-α-methylbenzylimine

: 238401-96-2
(R)-N-tert-butoxycarbonyl-2-[(S)-1,2-dibenzyloxyethyl]-4-(1,3-dioxolane-2-yl)piperidine

Guidance literature:: Multi-step reaction with 5 steps

1: 75 percent / ZnI₂ / acetonitrile / 4 h / -20 °C

2: 85 percent / L-selectride / tetrahydrofuran / 72 h / -78 °C

3: 82 percent / boron trifluoride etherate / CHCl₃ / 3 h / -10 - 20 °C

4: H₂ / 20 percent Pd(OH)2/C / ethanol / 3 h / 20 °C / 760 Torr

5: 70 percent / diisopropylethylamine / tetrahydrofuran / 20 h / 50 °C

With boron trifluoride diethyl etherate; hydrogen; L-Selectride; N-ethyl-N,N-diisopropylamine; zinc(II) iodide; palladium dihydroxide; In tetrahydrofuran; ethanol; chloroform; acetonitrile; 1: Cycloaddition / 2: Reduction / 3: Cycloaddition / 4: Hydrogenolysis / 5: Carboxylation;
DOI:10.1016/S0040-4020(99)00377-4

Reference yield:

: 238401-90-6
(R)-2,3-di-O-benzylglyceraldehyde (R)-α-methylbenzylimine

: 238401-96-2
(R)-N-tert-butoxycarbonyl-2-[(S)-1,2-dibenzyloxyethyl]-4-(1,3-dioxolane-2-yl)piperidine

Guidance literature:: Multi-step reaction with 4 steps

1.1: ZnI₂ / acetonitrile / 4 h / -20 °C

1.2: 57 percent / L-selectride / tetrahydrofuran / 72 h / -78 °C

2.1: 85 percent / boron trifluoride etherate / CHCl₃ / 3 h / -10 - 20 °C

3.1: H₂ / 20 percent Pd(OH)2/C / ethanol / 3 h / 20 °C / 760 Torr

4.1: 70 percent / diisopropylethylamine / tetrahydrofuran / 20 h / 50 °C

With boron trifluoride diethyl etherate; hydrogen; N-ethyl-N,N-diisopropylamine; zinc(II) iodide; palladium dihydroxide; In tetrahydrofuran; ethanol; chloroform; acetonitrile; 1.1: Cycloaddition / 1.2: Reduction / 2.1: Cycloaddition / 3.1: Hydrogenolysis / 4.1: Carboxylation;
DOI:10.1016/S0040-4020(99)00377-4