(1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-1-ethyl-3-hydroxymethyl-8-methoxy-hexahydro-indolizin-5-one

Base Information

Chemical Name:(1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-1-ethyl-3-hydroxymethyl-8-methoxy-hexahydro-indolizin-5-one
CAS No.:494836-48-5
Molecular Formula:C₁₉H₂₆N₄O₃
Molecular Weight:358.44
Hs Code.:

Synonyms:(1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-1-ethyl-3-hydroxymethyl-8-methoxy-hexahydro-indolizin-5-one

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Chemical Property of (1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-1-ethyl-3-hydroxymethyl-8-methoxy-hexahydro-indolizin-5-one

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Technology Process of (1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-1-ethyl-3-hydroxymethyl-8-methoxy-hexahydro-indolizin-5-one

There total 11 articles about (1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-1-ethyl-3-hydroxymethyl-8-methoxy-hexahydro-indolizin-5-one 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: 76.0%

: 494836-35-0
(1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-3-(tert-butyl-diphenyl-silanyloxymethyl)-1-ethyl-8-methoxy-hexahydro-indolizin-5-one

: 494836-48-5
(1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-1-ethyl-3-hydroxymethyl-8-methoxy-hexahydro-indolizin-5-one

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran;
DOI:10.1016/S0960-894X(02)00612-1

Reference yield:

: 138629-30-8,138871-56-4
(S)-tert-butyl 2-((tert-butyldiphenylsilyloxy)methyl)-5-oxopyrrolidine-1-carboxylate

: 494836-48-5
(1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-1-ethyl-3-hydroxymethyl-8-methoxy-hexahydro-indolizin-5-one

Guidance literature:: Multi-step reaction with 11 steps

1.1: LiHMDS / tetrahydrofuran / -78 °C

1.2: 92 percent / tetrahydrofuran / -78 °C

2.1: Dibal-H / toluene / -78 °C

3.1: Et₃N; DMAP / CH₂Cl₂

4.1: 95 percent / BF₃*OEt₂ / CH₂Cl₂ / -78 °C

5.1: 99 percent / H₂ / 10 percent Pd/C / ethyl acetate / 760 Torr

6.1: B-bromocatecholborane / CH₂Cl₂

7.1: toluene / Heating

8.1: 80 percent / KH / tetrahydrofuran

9.1: n-BuLi / tetrahydrofuran / -78 °C

9.2: 78 percent / tetrahydrofuran / -78 °C

10.1: t-BuLi / tetrahydrofuran / -78 °C

10.2: 60 percent / Trisyl-N₃ / tetrahydrofuran / -78 °C

11.1: 76 percent / TBAF / tetrahydrofuran

With dmap; n-butyllithium; boron trifluoride diethyl etherate; bromocatecholborane; tetrabutyl ammonium fluoride; hydrogen; tert.-butyl lithium; potassium hydride; diisobutylaluminium hydride; triethylamine; lithium hexamethyldisilazane; palladium on activated charcoal; In tetrahydrofuran; dichloromethane; ethyl acetate; toluene;
DOI:10.1016/S0960-894X(02)00612-1

Reference yield:

: 494836-25-8
5-(tert-butyl-diphenyl-silanyloxymethyl)-3-ethyl-2-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester

: 494836-48-5
(1R,3S,6S,8S,8aS)-6-Azido-6-benzyl-1-ethyl-3-hydroxymethyl-8-methoxy-hexahydro-indolizin-5-one

Guidance literature:: Multi-step reaction with 10 steps

1.1: Dibal-H / toluene / -78 °C

2.1: Et₃N; DMAP / CH₂Cl₂

3.1: 95 percent / BF₃*OEt₂ / CH₂Cl₂ / -78 °C

4.1: 99 percent / H₂ / 10 percent Pd/C / ethyl acetate / 760 Torr

5.1: B-bromocatecholborane / CH₂Cl₂

6.1: toluene / Heating

7.1: 80 percent / KH / tetrahydrofuran

8.1: n-BuLi / tetrahydrofuran / -78 °C

8.2: 78 percent / tetrahydrofuran / -78 °C

9.1: t-BuLi / tetrahydrofuran / -78 °C

9.2: 60 percent / Trisyl-N₃ / tetrahydrofuran / -78 °C

10.1: 76 percent / TBAF / tetrahydrofuran

With dmap; n-butyllithium; boron trifluoride diethyl etherate; bromocatecholborane; tetrabutyl ammonium fluoride; hydrogen; tert.-butyl lithium; potassium hydride; diisobutylaluminium hydride; triethylamine; palladium on activated charcoal; In tetrahydrofuran; dichloromethane; ethyl acetate; toluene;
DOI:10.1016/S0960-894X(02)00612-1