Hydrogenation reactions of some spool-shaped acetylenes

GY Han, PF Han, J Perkins…

Index: Han, G. Y.; Han, P. F.; Perkins, J.; McBay, H. C. Journal of Organic Chemistry, 1981 , vol. 46, # 23 p. 4695 - 4700

Full Text: HTML

Citation Number: 24

Abstract

The spool-shaped acetylenes bis (p4sopropylphenyl) acetylene (la) and bis (p-tert- butylpheny1) acetylene (lb) have been synthesized and rigorously characterized. Their hydrogenation reactions have been studied. These acetylenes add hydrogen smoothly in solution, but at low pressures they do not add hydrogen on the metallic catalysts platinum, palladium, and nickel. This anomaly is explained in terms of the postulate that the ...

 Related Synthetic Route
tbt Structure

98-51-1

tbt

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

1-tert-butyl-4-(dibromomethyl)benzene Structure

75966-32-4

1-tert-butyl-4-...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

1,2-bis[4-(1,1-dimethylethyl)phenyl]-2-hydroxyethan-1-one Structure

77387-64-5

1,2-bis[4-(1,1-...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

1,2-bis(4-(tert-butyl)phenyl)-1,2-dihydrazonoethane Structure

79135-59-4

1,2-bis(4-(tert...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

p-t-Butylbenzaldehyde Structure

939-97-9

p-t-Butylbenzal...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethyl]benzene Structure

22927-07-7

1-tert-butyl-4-...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

(E)-1,2-bis(4-tert-butylphenyl)ethane Structure

79135-54-9

(E)-1,2-bis(4-t...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

1-tert-butyl-4-(dichloromethyl)benzene Structure

79135-60-7

1-tert-butyl-4-...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

1-Bromo-1,2-bis(p-tert-butylphenyl)ethane Structure

79135-53-8

1-Bromo-1,2-bis...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

1,2-Dichloro-1,2-bis(p-tert-butylphenyl)ethane Structure

79135-56-1

1,2-Dichloro-1,...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

1,1'-(1,2-Ethynediyl)bis(4-ethylbenzene) Structure

79135-69-6

1,1'-(1,2-Ethyn...

~%

1-ethyl-4-[2-(4-ethylphenyl)ethenyl]benzene Structure

25347-49-3

1-ethyl-4-[2-(4...

1,2-Dibromo-1,2-bis(p-ethylphenyl)ethane Structure

79135-70-9

1,2-Dibromo-1,2...

~%

1-ethyl-4-[2-(4-ethylphenyl)ethenyl]benzene Structure

25347-49-3

1-ethyl-4-[2-(4...

1,2-Dibromo-1,2-bis(p-ethylphenyl)ethane Structure

79135-70-9

1,2-Dibromo-1,2...

~91%

1,1'-(1,2-Ethynediyl)bis(4-ethylbenzene) Structure

79135-69-6

1,1'-(1,2-Ethyn...

1-ethyl-4-[2-(4-ethylphenyl)ethenyl]benzene Structure

25347-49-3

1-ethyl-4-[2-(4...

~%

1,1'-(1,2-Ethynediyl)bis(4-ethylbenzene) Structure

79135-69-6

1,1'-(1,2-Ethyn...

Ethanone, 2-hydroxy-1,2-bis[4-(1-methylethyl)phenyl]- Structure

5623-24-5

Ethanone, 2-hyd...

~%

(E)-N-(4-methylpiperazin-1-yl)-1-thiophen-2-ylmethanimine Structure

5789-33-3

(E)-N-(4-methyl...

1,2-bis(4-isopropylphenyl)acetylene Structure

79135-52-7

1,2-bis(4-isopr...

~%

(E)-N-(4-methylpiperazin-1-yl)-1-thiophen-2-ylmethanimine Structure

5789-33-3

(E)-N-(4-methyl...

1-(dichloromethyl)-4-propan-2-ylbenzene Structure

82234-68-2

1-(dichlorometh...

~%

(E)-N-(4-methylpiperazin-1-yl)-1-thiophen-2-ylmethanimine Structure

5789-33-3

(E)-N-(4-methyl...

1,2-Dichloro-1,2-bis(p-isopropylphenyl)ethane Structure

79135-55-0

1,2-Dichloro-1,...

~%

(E)-N-(4-methylpiperazin-1-yl)-1-thiophen-2-ylmethanimine Structure

5789-33-3

(E)-N-(4-methyl...

1,2-dihydrazono-1,2-bis(4-isopropylphenyl)ethane Structure

79152-62-8

1,2-dihydrazono...

~%

(E)-N-(4-methylpiperazin-1-yl)-1-thiophen-2-ylmethanimine Structure

5789-33-3

(E)-N-(4-methyl...

1-tert-butyl-4-(dibromomethyl)benzene Structure

75966-32-4

1-tert-butyl-4-...

~70%

p-t-Butylbenzaldehyde Structure

939-97-9

p-t-Butylbenzal...

tbt Structure

98-51-1

tbt

~%

1-tert-butyl-4-[1,2-dibromo-2-(4-tert-butylphenyl)ethyl]benzene Structure

79135-57-2

1-tert-butyl-4-...

1,2-bis[4-(1,1-dimethylethyl)phenyl]-2-hydroxyethan-1-one Structure

77387-64-5

1,2-bis[4-(1,1-...

~%

1-tert-butyl-4-[1,2-dibromo-2-(4-tert-butylphenyl)ethyl]benzene Structure

79135-57-2

1-tert-butyl-4-...

(E)-1,2-bis(4-tert-butylphenyl)ethane Structure

79135-54-9

(E)-1,2-bis(4-t...

~%

1-tert-butyl-4-[1,2-dibromo-2-(4-tert-butylphenyl)ethyl]benzene Structure

79135-57-2

1-tert-butyl-4-...

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethyl]benzene Structure

22927-07-7

1-tert-butyl-4-...

~%

1-tert-butyl-4-[1,2-dibromo-2-(4-tert-butylphenyl)ethyl]benzene Structure

79135-57-2

1-tert-butyl-4-...

1-Bromo-1,2-bis(p-tert-butylphenyl)ethane Structure

79135-53-8

1-Bromo-1,2-bis...

~%

1-tert-butyl-4-[1,2-dibromo-2-(4-tert-butylphenyl)ethyl]benzene Structure

79135-57-2

1-tert-butyl-4-...

p-t-Butylbenzaldehyde Structure

939-97-9

p-t-Butylbenzal...

~88%

1-tert-butyl-4-(dichloromethyl)benzene Structure

79135-60-7

1-tert-butyl-4-...

tbt Structure

98-51-1

tbt

~%

1-tert-butyl-4-(dichloromethyl)benzene Structure

79135-60-7

1-tert-butyl-4-...

1-tert-butyl-4-(dibromomethyl)benzene Structure

75966-32-4

1-tert-butyl-4-...

~%

1-tert-butyl-4-(dichloromethyl)benzene Structure

79135-60-7

1-tert-butyl-4-...

tbt Structure

98-51-1

tbt

~78%

1-tert-butyl-4-(dibromomethyl)benzene Structure

75966-32-4

1-tert-butyl-4-...

tbt Structure

98-51-1

tbt

~82%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethyl]benzene Structure

22927-07-7

1-tert-butyl-4-...

1,2-bis[4-(1,1-dimethylethyl)phenyl]-2-hydroxyethan-1-one Structure

77387-64-5

1,2-bis[4-(1,1-...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethyl]benzene Structure

22927-07-7

1-tert-butyl-4-...

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene Structure

61440-86-6

1-tert-butyl-4-...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethyl]benzene Structure

22927-07-7

1-tert-butyl-4-...

(E)-1,2-bis(4-tert-butylphenyl)ethane Structure

79135-54-9

(E)-1,2-bis(4-t...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethyl]benzene Structure

22927-07-7

1-tert-butyl-4-...

1-Bromo-1,2-bis(p-tert-butylphenyl)ethane Structure

79135-53-8

1-Bromo-1,2-bis...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethyl]benzene Structure

22927-07-7

1-tert-butyl-4-...

1-tert-butyl-4-[1,2-dibromo-2-(4-tert-butylphenyl)ethyl]benzene Structure

79135-57-2

1-tert-butyl-4-...

~%

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethyl]benzene Structure

22927-07-7

1-tert-butyl-4-...


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