trans-(4R)-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-2-one

Base Information

Chemical Name:trans-(4R)-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-2-one
CAS No.:139033-09-3
Molecular Formula:C₃₂H₄₆O₃Si₂
Molecular Weight:534.886
Hs Code.:

Synonyms:trans-(4R)-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-2-one

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Chemical Property of trans-(4R)-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-2-one

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Technology Process of trans-(4R)-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-2-one

There total 11 articles about trans-(4R)-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-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: 96.0%

: 139033-08-2
(2R,4R)-trans-4-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-2-ol

: 139033-09-3
trans-(4R)-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-2-one

Guidance literature:: With sodium acetate; pyridinium chlorochromate; 3 A molecular sieve; In dichloromethane; at 25 ℃; for 21h;
DOI:10.1039/P19910003307

Reference yield:

: 4526-07-2
1,4-bis(trimethylsilyl)-1,3-butadiyne

: 139033-09-3
trans-(4R)-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: 51 percent / TiCl₄, 4A molecular sieve / CH₂Cl₂ / 2 h / -80 °C

2: 73 percent / LiAlH₄ / diethyl ether / 5 h / -78 deg C to room temperature

3: 89 percent / pyridinium chlorochromate (PCC), NaOAc, 3A molecular sieves / CH₂Cl₂ / 15 h / Ambient temperature

With lithium aluminium tetrahydride; 3 A molecular sieve; 4 A molecular sieve; sodium acetate; titanium tetrachloride; pyridinium chlorochromate; In diethyl ether; dichloromethane;
DOI:10.1039/c39890001025

Reference yield:

: 42075-32-1
(2R,4R)-pentanediol

: 139033-09-3
trans-(4R)-<(1R)-1-(3-tert-Butyldiphenylsilyloxypropyl)-5-trimethylsilylpent-2-en-4-ynyloxy>pentan-2-one

Guidance literature:: Multi-step reaction with 4 steps

2: 51 percent / TiCl₄, 4A molecular sieve / CH₂Cl₂ / 2 h / -80 °C

3: 73 percent / LiAlH₄ / diethyl ether / 5 h / -78 deg C to room temperature

4: 89 percent / pyridinium chlorochromate (PCC), NaOAc, 3A molecular sieves / CH₂Cl₂ / 15 h / Ambient temperature

With lithium aluminium tetrahydride; 3 A molecular sieve; 4 A molecular sieve; sodium acetate; titanium tetrachloride; pyridinium chlorochromate; In diethyl ether; dichloromethane;
DOI:10.1039/c39890001025