5,6-dihydro-4-methyl-6-<2,6,6-trimethylspiro<1',3'-dioxalane-2',4-<7>oxabicyclo<4.1.0>hept-1-yl>>-2H-pyran-2-one

Base Information

Chemical Name:5,6-dihydro-4-methyl-6-<2,6,6-trimethylspiro<1',3'-dioxalane-2',4-<7>oxabicyclo<4.1.0>hept-1-yl>>-2H-pyran-2-one
CAS No.:118015-60-4
Molecular Formula:C₁₇H₂₄O₅
Molecular Weight:308.375
Hs Code.:

Synonyms:5,6-dihydro-4-methyl-6-<2,6,6-trimethylspiro<1',3'-dioxalane-2',4-<7>oxabicyclo<4.1.0>hept-1-yl>>-2H-pyran-2-one

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Chemical Property of 5,6-dihydro-4-methyl-6-<2,6,6-trimethylspiro<1',3'-dioxalane-2',4-<7>oxabicyclo<4.1.0>hept-1-yl>>-2H-pyran-2-one

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Technology Process of 5,6-dihydro-4-methyl-6-<2,6,6-trimethylspiro<1',3'-dioxalane-2',4-<7>oxabicyclo<4.1.0>hept-1-yl>>-2H-pyran-2-one

There total 1 articles about 5,6-dihydro-4-methyl-6-<2,6,6-trimethylspiro<1',3'-dioxalane-2',4-<7>oxabicyclo<4.1.0>hept-1-yl>>-2H-pyran-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:

: 51318-62-8,51371-55-2,26918-14-9
ethyl 4-bromo-3-methylcrotonate

: 122346-85-4,132340-85-3,142563-00-6
(-)-(1S,2R)-1,2-Epoxy-4,4-(ethylendioxy)-2,6,6-trimethylcyclohexan-1-carbaldehyd

: 117940-44-0,118015-60-4,136658-38-3,145164-99-4,145165-00-0
4,4-Ethylenedioxy-1-(5,6-dihydro-2H-4-methyl-2-oxopyran-6-yl)-1,2-oxo-2,6,6-trimethylcyclohexane

: 145065-03-8,145164-98-3
C₁₉H₃₀O₆

Guidance literature:: With iodine; zinc; Yield given. Multistep reaction. Yields of byproduct given; 1) THF, 0 deg C, 10 min, 2) THF, 30 min;
DOI:10.1016/S0040-4020(01)80491-9

Reference yield:

: 117940-44-0,118015-60-4,136658-38-3,145164-99-4,145165-00-0
4,4-Ethylenedioxy-1-(5,6-dihydro-2H-4-methyl-2-oxopyran-6-yl)-1,2-oxo-2,6,6-trimethylcyclohexane

: 8066-07-7,28321-44-0
(1'S,2'R,4'S,2Z,4E)-(1',2'-epoxy-4'-hydroxy-2',6',6'-trimethylcyclohexyl)-3-methylpenta-2,4-dienal

Guidance literature:: Multi-step reaction with 5 steps

1: 100 percent / CH₃OK / methanol / 18 h / Ambient temperature

3: 86 percent / aq. HClO₄ / tetrahydrofuran / 0.03 h / 4 °C

4: LiAlH₄ / tetrahydrofuran / 2 h / Ambient temperature; other reducing agent

5: 100 percent / MnO₂ / CH₂Cl₂ / 2 h / Ambient temperature

With manganese(IV) oxide; lithium aluminium tetrahydride; perchloric acid; potassium methanolate; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1016/S0040-4020(01)80491-9

Reference yield:

: 117940-44-0,118015-60-4,136658-38-3,145164-99-4,145165-00-0
4,4-Ethylenedioxy-1-(5,6-dihydro-2H-4-methyl-2-oxopyran-6-yl)-1,2-oxo-2,6,6-trimethylcyclohexane

: 2228-72-0,6755-41-5,7773-56-0,14375-45-2,14398-53-9,14674-85-2,21293-29-8,40331-02-0,52392-36-6,72029-68-6,72029-69-7,113349-29-4
(+)-(S)-Abscisic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 100 percent / CH₃OK / methanol / 18 h / Ambient temperature

2: 83 percent / aq. HCl / methanol / 19 h / Ambient temperature

With hydrogenchloride; potassium methanolate; In methanol;
DOI:10.1016/S0040-4020(01)80491-9