(3S,7aR)-6,6-dibenzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

Base Information

Chemical Name:(3S,7aR)-6,6-dibenzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester
CAS No.:380429-55-0
Molecular Formula:C₂₆H₃₁NO₄
Molecular Weight:421.536
Hs Code.:

Synonyms:(3S,7aR)-6,6-dibenzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

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Chemical Property of (3S,7aR)-6,6-dibenzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

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Technology Process of (3S,7aR)-6,6-dibenzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

There total 5 articles about (3S,7aR)-6,6-dibenzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic 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: 22.0%

: 100-39-0
benzyl bromide

: 380429-67-4
(3S,7aR)-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

: 380429-53-8
(3S,6S,7aR)-6-benzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

: 380429-54-9
(3S,6R,7aR)-6-benzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

: 380429-55-0
(3S,7aR)-6,6-dibenzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

Guidance literature:: With lithium diisopropyl amide; In tetrahydrofuran; at -78 ℃; for 3h;
DOI:10.1021/jo010626n

Reference yield:

: 148943-77-5
(2S,4R)-(+)-Dimethyl-2-(1,1-dimethylethyl)-3,4-oxazolidindicarboxylat

: 380429-55-0
(3S,7aR)-6,6-dibenzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: LDA / tetrahydrofuran / 12 h / -78 °C

2: H₂ / 20percent Pd(OH)2/C / 2-methyl-propan-2-ol / 1 h / 20 °C / 750.08 Torr

3: 650 mg / 0.08 h / 220 °C

4: 8 percent / LDA / tetrahydrofuran / 3 h / -78 °C

With hydrogen; lithium diisopropyl amide; 20percent Pd(OH)2/C; In tetrahydrofuran; tert-butyl alcohol;
DOI:10.1021/jo010626n

Reference yield:

: 380429-45-8
3-tert-butyl-5-oxo-dihydro-pyrrolo[1,2-c]oxazole-6,7a-dicarboxylic acid 6-benzyl ester 7a-methyl ester

: 380429-55-0
(3S,7aR)-6,6-dibenzyl-3-tert-butyl-1,6,7,7a-tetrahydro-5-oxopyrrolo[1,2-c]oxazole-7a-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: H₂ / 20percent Pd(OH)2/C / 2-methyl-propan-2-ol / 1 h / 20 °C / 750.08 Torr

2: 650 mg / 0.08 h / 220 °C

3: 8 percent / LDA / tetrahydrofuran / 3 h / -78 °C

With hydrogen; lithium diisopropyl amide; 20percent Pd(OH)2/C; In tetrahydrofuran; tert-butyl alcohol;
DOI:10.1021/jo010626n