(+/-)-(7S,8R)-4-benzoyl-2-tert-butyl-7,8-isopropylidenedioxyspiro<4.4>nonan-1-one

Base Information

Chemical Name:(+/-)-(7S,8R)-4-benzoyl-2-tert-butyl-7,8-isopropylidenedioxyspiro<4.4>nonan-1-one
CAS No.:138680-62-3
Molecular Formula:C₂₃H₃₀O₅
Molecular Weight:386.488
Hs Code.:

Synonyms:(+/-)-(7S,8R)-4-benzoyl-2-tert-butyl-7,8-isopropylidenedioxyspiro<4.4>nonan-1-one

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Chemical Property of (+/-)-(7S,8R)-4-benzoyl-2-tert-butyl-7,8-isopropylidenedioxyspiro<4.4>nonan-1-one

Chemical Property:

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Technology Process of (+/-)-(7S,8R)-4-benzoyl-2-tert-butyl-7,8-isopropylidenedioxyspiro<4.4>nonan-1-one

There total 10 articles about (+/-)-(7S,8R)-4-benzoyl-2-tert-butyl-7,8-isopropylidenedioxyspiro<4.4>nonan-1-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: 91.0%

: 98-88-4
benzoyl chloride

: 138680-61-2,138752-13-3,138752-14-4,138752-15-5
(+/-)-(7S,8R)-2-tert-butyl-4-hydroxy-2,3-isopropylidenedioxyspiro<4.4>nonan-1-one

: 138680-62-3
(+/-)-(7S,8R)-4-benzoyl-2-tert-butyl-7,8-isopropylidenedioxyspiro<4.4>nonan-1-one

Guidance literature:: With pyridine; In chloroform; for 16h; Heating;

Reference yield:

: 2175-91-9
6,6'-dimethyl fulvene

: 138680-62-3
(+/-)-(7S,8R)-4-benzoyl-2-tert-butyl-7,8-isopropylidenedioxyspiro<4.4>nonan-1-one

Guidance literature:: Multi-step reaction with 5 steps

1: 72 percent / diethyl ether / 16 h / -78 - 25 °C

2: NaNH₂ / tetrahydrofuran / 1 h / 25 °C

3: 1) O₂, 2) aq. NaOH / 1) Rose Bengal / 1) MeOH, irradiation, 1h, 2) THF, 25 deg C, 30 min

4: 93 percent / H₂ / PtO₂ / ethanol / 2 h / 25 °C / 760 Torr

5: 91 percent / pyridine / CHCl₃ / 16 h / Heating

With pyridine; sodium hydroxide; hydrogen; oxygen; sodium amide; platinum(IV) oxide; rose bengal; In tetrahydrofuran; diethyl ether; ethanol; chloroform;

Reference yield:

: 35059-40-6
t-butylcyclopentadiene

: 138680-62-3
(+/-)-(7S,8R)-4-benzoyl-2-tert-butyl-7,8-isopropylidenedioxyspiro<4.4>nonan-1-one

Guidance literature:: Multi-step reaction with 4 steps

1: NaNH₂ / tetrahydrofuran / 1 h / 25 °C

2: 1) O₂, 2) aq. NaOH / 1) Rose Bengal / 1) MeOH, irradiation, 1h, 2) THF, 25 deg C, 30 min

3: 93 percent / H₂ / PtO₂ / ethanol / 2 h / 25 °C / 760 Torr

4: 91 percent / pyridine / CHCl₃ / 16 h / Heating

With pyridine; sodium hydroxide; hydrogen; oxygen; sodium amide; platinum(IV) oxide; rose bengal; In tetrahydrofuran; ethanol; chloroform;