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766-33-6

Basic Information
CAS No.: 766-33-6
Name: 1,3-Dioxane, 2,5,5-trimethyl-
Article Data: 7
Molecular Structure:
Molecular Structure of 766-33-6 (1,3-Dioxane, 2,5,5-trimethyl-)
Formula: C7H14O2
Molecular Weight: 130.187
Synonyms: 1,3-Dioxane,2,5,5-trimethyl;2,2,5-trimethyl-1,3-dioxane;
Density: 0.886g/cm3
Boiling Point: 132.883°C at 760 mmHg
Flash Point: 33.968°C
PSA: 18.46000
LogP: 1.40540
Synthetic route
626-68-6

2-methyl-[1,3]dioxane

5,5-Dimethyl-5,6-dihydro-4H-1,3-dioxinium tetrafluoroborate

A

766-33-6

2,5,5-trimethyl-1,3-dioxane

B

1,3-dioxanium tetrafluoroborate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 3h;A 79%
B n/a
766-20-1

2,4-dimethyl-[1,3]dioxane

5,5-Dimethyl-5,6-dihydro-4H-1,3-dioxinium tetrafluoroborate

A

766-33-6

2,5,5-trimethyl-1,3-dioxane

B

4-methyl-1,3-dioxanium

Conditions
ConditionsYield
In dichloromethane at 20℃; for 3h;A 59%
B n/a
497-26-7

2-methyl-1,3-dioxolane

5,5-Dimethyl-5,6-dihydro-4H-1,3-dioxinium tetrafluoroborate

A

766-33-6

2,5,5-trimethyl-1,3-dioxane

B

1,3-dioxolanium tetrafluoroborate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 3h;A 54%
B n/a
105-57-7

diethyl acetal

(±)-2-sec-butyl-5,5-dimethyl-1,3,2-dioxaborinane

A

766-33-6

2,5,5-trimethyl-1,3-dioxane

B

diisobutyl isobutylboronate

Conditions
ConditionsYield
With zinc(II) chlorideA 5%
B n/a
767-55-5

2,2,5,5-tetramethyl-1,3-dioxane

5,5-Dimethyl-5,6-dihydro-4H-1,3-dioxinium tetrafluoroborate

A

766-33-6

2,5,5-trimethyl-1,3-dioxane

B

C7H13O2(1+)*BF4(1-)

Conditions
ConditionsYield
In dichloromethane for 1h; Product distribution; Ambient temperature;A 22 % Chromat.
B n/a
105-57-7

diethyl acetal

145429-22-7

2-isobutyl-5,5-dimethyl-1,3,2-dioxaborinane

766-33-6

2,5,5-trimethyl-1,3-dioxane

Conditions
ConditionsYield
With zinc(II) chloride transacetalation;
75-07-0

acetaldehyde

126-30-7

2,2-Dimethyl-1,3-propanediol

766-33-6

2,5,5-trimethyl-1,3-dioxane

Conditions
ConditionsYield
sulfuric acid at 20℃; for 1h; Condensation;
95093-83-7

diisobutyl ester of isobutylboronic acid

766-33-6

2,5,5-trimethyl-1,3-dioxane

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: ZnCl2 / 0.08 h / 130 °C
2: ZnCl2
View Scheme
Multi-step reaction with 2 steps
1: ZnCl2 / 0.08 h / 130 °C
2: ZnCl2
View Scheme
Multi-step reaction with 2 steps
1: ZnCl2 / 2 h / 130 °C
2: ZnCl2
View Scheme
766-33-6

2,5,5-trimethyl-1,3-dioxane

926-62-5

isobutylmagnesium bromide

3-(1,3-Dimethyl-butoxy)-2,2-dimethyl-propan-1-ol

Conditions
ConditionsYield
In diethyl ether for 0.25h; Heating;82%
766-33-6

2,5,5-trimethyl-1,3-dioxane

762-72-1

allyl-trimethyl-silane

136367-83-4

[2,2-Dimethyl-3-(1-methyl-but-3-enyloxy)-propoxy]-trimethyl-silane

Conditions
ConditionsYield
With zinc(II) iodide at 100℃; for 4h;75%
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