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(1,1-diphenyl-4-trimethylsilylbut-1-en-3-yn-2-yl) trifluoromethanesulfonate

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Origin: China

Cas No: 71451-05-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 71451-05-3 Formula: C20H19F3O3SSi Molecular Weight: 424.50900

Basic Info

Chemical Name	(1,1-diphenyl-4-trimethylsilylbut-1-en-3-yn-2-yl) trifluoromethanesulfonate
Synonyms
CAS No.	71451-05-3
Molecular Formula	C20H19F3O3SSi
Molecular Weight	424.50900
PSA	51.75000
LogP	6.27380

Properties

Density	1.241g/cm3
Boiling Point	443.1ºC at 760mmHg
Flash Point	221.8ºC
Refractive Index	1.53

Synthesis Route

triflic anhydride+1,1-diphenyl-4-(trimethylsilyl)but-3-yn-2-one→(1,1-diphenyl-4-trimethylsilylbut-1-en-3-yn-2-yl) trifluoromethanesulfonate
2,2-diphenylacetyl chloride→(1,1-diphenyl-4-trimethylsilylbut-1-en-3-yn-2-yl) trifluoromethanesulfonate
Bis(trimethylsilyl)acetylene→(1,1-diphenyl-4-trimethylsilylbut-1-en-3-yn-2-yl) trifluoromethanesulfonate

Precursor

Bis(trimethylsilyl)acetylene
triflic anhydride
2,2-diphenylacetyl chloride
1,1-diphenyl-4-(trimethylsilyl)but-3-yn-2-one

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