4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-t-8-carboxylic acid

Base Information

Chemical Name:4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-t-8-carboxylic acid
CAS No.:127762-66-7
Molecular Formula:C₂₇H₃₈O₆Si
Molecular Weight:486.681
Hs Code.:

Synonyms:4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-t-8-carboxylic acid

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Chemical Property of 4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-t-8-carboxylic acid

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Technology Process of 4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-t-8-carboxylic acid

There total 15 articles about 4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-t-8-carboxylic acid 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: 89.0%

: 127791-71-3
methyl 4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-t-8-carboxylate

: 127762-66-7
4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-t-8-carboxylic acid

Guidance literature:: With potassium tert-butylate; water; In diethyl ether; for 6h; Ambient temperature;

Reference yield: 66.0%

: 127791-71-3
methyl 4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-c-8-carboxylate

: 127762-66-7
4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-c-8-carboxylic acid

Guidance literature:: With potassium tert-butylate; water; In diethyl ether; for 6h; Ambient temperature;

Reference yield:

: 127853-42-3
(1S,2R,5S)-5-[1,3]Dioxolan-2-yl-2-methyl-4-oxo-cyclohexanecarboxylic acid methyl ester

: 127762-66-7
4-benzyloxy-c-6-<1'-(tert-butyldimethylsilyloxy)allyl>-c-9-methyl-2-oxo-(r-5-)-1-oxaspiro<4.5>dec-3-ene-c-8-carboxylic acid

Guidance literature:: Multi-step reaction with 5 steps

1: 1.) t-BuLi / 1.) -80 deg C, THF, hexane, 1h 2.) -80 deg C, 5h

2: 89 percent / 50percent aq. HBF₄ / acetonitrile / 7 h

3: 61 percent / tetrahydrofuran / 1 h / -30 °C

4: 77 percent / imidazole / dimethylformamide / 1 h / Ambient temperature

5: 66 percent / K-tert-OBut, H₂O / diethyl ether / 6 h / Ambient temperature

With 1H-imidazole; tetrafluoroboric acid; potassium tert-butylate; water; tert.-butyl lithium; In tetrahydrofuran; diethyl ether; N,N-dimethyl-formamide; acetonitrile;