(S)-(+)-1-<6-(benzyloxy)-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl>-3-pentyn-2-one

Base Information

Chemical Name:(S)-(+)-1-<6-(benzyloxy)-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl>-3-pentyn-2-one
CAS No.:72443-78-8
Molecular Formula:C₂₅H₂₈O₃
Molecular Weight:376.496
Hs Code.:

Synonyms:(S)-(+)-1-<6-(benzyloxy)-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl>-3-pentyn-2-one

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Chemical Property of (S)-(+)-1-<6-(benzyloxy)-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl>-3-pentyn-2-one

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Technology Process of (S)-(+)-1-<6-(benzyloxy)-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl>-3-pentyn-2-one

There total 1 articles about (S)-(+)-1-<6-(benzyloxy)-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl>-3-pentyn-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: 85.0%

: 64765-29-3
2(S)-[2(S)-hydroxy-3-pentynyl]-2,5,7,8-tetramethyl-6-benzyloxy chroman

: 72443-78-8
(S)-(+)-1-<6-(benzyloxy)-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl>-3-pentyn-2-one

Guidance literature:: With jones reagent; In acetone; at 0 ℃;
DOI:10.1021/jo01292a006

Reference yield:

: 72443-78-8
(S)-(+)-1-<6-(benzyloxy)-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-yl>-3-pentyn-2-one

: 64765-29-3
2(S)-[2(S)-hydroxy-3-pentynyl]-2,5,7,8-tetramethyl-6-benzyloxy chroman

: 64704-95-6
2(S)-[2(R)-hydroxy-3-pentynyl]-2,5,7,8-tetramethyl-6-benzyloxy-chroman

Guidance literature:: With LiAlH₄-complex of enantiomer of Darvon alcohol; In diethyl ether; at -72 ℃; for 7h; Yield given. Yields of byproduct given;
DOI:10.1021/jo01292a006