(2R,4S)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran

Base Information

Chemical Name:(2R,4S)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran
CAS No.:161420-35-5
Molecular Formula:C₁₈H₂₆O₄S
Molecular Weight:338.468
Hs Code.:

Synonyms:(2R,4S)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (2R,4S)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran

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Technology Process of (2R,4S)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran

There total 1 articles about (2R,4S)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran 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:

: 926-65-8
vinyl isopropyl ether

: 155259-47-5
(E)-5-methyl-1-phenylsulfonyl-3-hexen-2-one

: (2S,4R)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran

: 161420-35-5
(2R,4S)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran

Guidance literature:: With diisopropoxytitanium(IV) dibromide; 4 A molecular sieve; (R,R)-TADDOL; In dichloromethane; at -78 ℃; for 24h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
DOI:10.1246/cl.1994.1637

Reference yield: 91.0%

: 161420-35-5
(2R,4S)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran

: 161420-38-8
(R)-2-Benzenesulfonyl-5-isopropyl-cyclohex-2-enone

Guidance literature:: With hydrogenchloride; In tetrahydrofuran; for 2h; Ambient temperature;
DOI:10.1246/cl.1994.1637

Reference yield:

: 161420-35-5
(2R,4S)-6-Benzenesulfonylmethyl-2-isopropoxy-4-isopropyl-3,4-dihydro-2H-pyran

: 74006-76-1
(R)-(+)-3-(1-methylethyl)cyclohexanone

Guidance literature:: Multi-step reaction with 3 steps

1: 91 percent / HCl / tetrahydrofuran / 2 h / Ambient temperature

2: H₂, 10percent Pd-C / tetrahydrofuran; ethanol

3: n-Bu₃SnH, AIBN / benzene / 4 h / Heating

With hydrogenchloride; palladium on activated charcoal; 2,2'-azobis(isobutyronitrile); hydrogen; tri-n-butyl-tin hydride; In tetrahydrofuran; ethanol; benzene;
DOI:10.1246/cl.1994.1637