(+)-(3R,5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-3-(2-methylprop-2-en-1-yl)piperazin-2-one

Base Information

• Chemical Name: (+)-(3R,5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-3-(2-methylprop-2-en-1-yl)piperazin-2-one
• CAS No.: 1099822-13-5
• Molecular Formula: C₃₅H₄₆N₂O₂Si
• Molecular Weight: 554.848

Synonyms:(+)-(3R,5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-3-(2-methylprop-2-en-1-yl)piperazin-2-one

Chemical Property of (+)-(3R,5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-3-(2-methylprop-2-en-1-yl)piperazin-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of (+)-(3R,5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-3-(2-methylprop-2-en-1-yl)piperazin-2-one

There total 1 articles about (+)-(3R,5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-3-(2-methylprop-2-en-1-yl)piperazin-2-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: 84.0%

2-methyl-3-bromo-1-propene (1458-98-6) + (+)-(5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-5,6-dihydro-1H-pyrazin-2-one (1099822-09-9) → (+)-(3R,5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-3-(2-methylprop-2-en-1-yl)piperazin-2-one (1099822-13-5)

Guidance literature:

With chloro-trimethyl-silane; zinc; In N,N-dimethyl-formamide; at 0 - 20 ℃; for 16h; diastereoselective reaction; Inert atmosphere;

DOI:10.1016/j.tet.2008.10.034

Reference yield: 63.0%

methanol (67-56-1) + formaldehyd (50-00-0,30525-89-4,61233-19-0) + (+)-(3R,5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-3-(2-methylprop-2-en-1-yl)piperazin-2-one (1099822-13-5) → (+)-(3S,4R,8S,9aR)-2-benzyl-3-(tert-butyldiphenylsilyloxymethyl)-8-methyl-8-methoxy-4-(iso-propyl)hexahydro-2H-pyrido[1,2-a]pyrazin-1(6H)-one (1099822-24-8)

Guidance literature:

In water; at 65 ℃; for 5h; diastereoselective reaction; Inert atmosphere;

DOI:10.1016/j.tet.2008.10.034

Reference yield: 25.0%

glyoxylic acid ethyl ester (924-44-7) + (+)-(3R,5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-3-(2-methylprop-2-en-1-yl)piperazin-2-one (1099822-13-5) → (+)-(3S,4R,6R,9S,10aR)-2-benzyl-3-(tert-butyldiphenylsilyloxymethyl)-4-(iso-propyl)-9-methyltetrahydro-2H-6,9-methanopyrazino[1,2-d][1,4]oxazepine-1,7(9H)-dione (1099822-30-6)

Guidance literature:

In methanol; toluene; at 65 ℃; for 72h; diastereoselective reaction; Inert atmosphere;

DOI:10.1016/j.tet.2008.10.034

upstream raw materials:

2-methyl-3-bromo-1-propene

(+)-(5R,6S)-1-benzyl-6-(tert-butyldiphenylsilyloxymethyl)-5-(iso-propyl)-5,6-dihydro-1H-pyrazin-2-one

Downstream raw materials:

(+)-(3S,4R,8S,9aR)-2-benzyl-3-(tert-butyldiphenylsilyloxymethyl)-8-methyl-8-methoxy-4-(iso-propyl)hexahydro-2H-pyrido[1,2-a]pyrazin-1(6H)-one

(+)-(3S,4R,6R,9S,10aR)-2-benzyl-3-(tert-butyldiphenylsilyloxymethyl)-4-(iso-propyl)-9-methyltetrahydro-2H-6,9-methanopyrazino[1,2-d][1,4]oxazepine-1,7(9H)-dione

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