DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE)

Product Name: DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE)
CAS No.: 85272-30-6
Chemical Name: DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE)
Synonyms: DK412;diisopropylbis(trifluoromethanesulfonyl)silane;DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE);Diisopropylsilylenebis(trifluoromethanesulfonate);TRIFLUOROMETHANESULFONIC ACID DIISOPROPYLSILYLENE ESTER;DIISOPROPYLSILYL BIS(TRIFLUOROMETHANE-SU LFONATE), TECH.;Bis(trifluoromethanesulfonic acid)diisopropylsilanediyl ester;Bis(1-methylethyl)[[(trifluoromethyl)sulfonyl]oxy]silyl triflate;Methanesulfonic acid, trifluoro-, bis(1-methylethyl)silylene ester;Methanesulfonic acid, 1,1,1-trifluoro-, bis(1-methylethyl)[[(trifluoromethyl)sulfonyl]oxy]silyl ester
CBNumber: CB5678556
Molecular Formula: C8H14F6O6S2Si
Formula Weight: 412.4
MOL File: 85272-30-6.mol

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DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE) Property

Boiling point:: 85-86 °C2 mm Hg(lit.)
Density: 1.396 g/mL at 25 °C(lit.)
refractive index: n20/D 1.382(lit.)
Flash point:: >230 °F
Specific Gravity: 1.396
Hydrolytic Sensitivity: 8: reacts rapidly with moisture, water, protic solvents
BRN: 3567500

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Safety

Hazard Codes: C
Risk Statements: 34-37
Safety Statements: 26-36/37/39-45
RIDADR: UN 3265 8/PG 2
WGK Germany: 3
F: 10-21
HazardClass: 8
PackingGroup: III

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 375942
Product name: Diisopropylsilyl bis(trifluoromethanesulfonate)
Purity: 96%
Packaging: 5g
Price: $123
Updated: 2024/03/01

Sigma-Aldrich

Product number: 375942
Product name: Diisopropylsilyl bis(trifluoromethanesulfonate)
Purity: 96%
Packaging: 25g
Price: $559
Updated: 2023/06/20

Biosynth Carbosynth

Product number: FD90402
Product name: Diisopropylsilyl Bis(Trifluoromethanesulfonate)
Packaging: 25g
Price: $875
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD90402
Product name: Diisopropylsilyl Bis(Trifluoromethanesulfonate)
Packaging: 5G
Price: $250
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD90402
Product name: Diisopropylsilyl Bis(Trifluoromethanesulfonate)
Packaging: 10g
Price: $400
Updated: 2021/12/16

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DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE) Chemical Properties,Usage,Production

Physical properties

bp 85–86°C/2mmHg;d 1.396 g cm?3; fp 110°C.

Uses

Diisopropylsilyl bis(trifluoromethanesulfonate) has more recently been used to prepare diisopropylsilyl-linked oligonucleotide analogs. Silylation of 5'-O-(dimethoxytrityl)-2'-deoxynucleosides using diisopropylsilyl bis(trifluoromethanesulfonate) and the hindered base 2,6-di-t-butyl-4-methylpyridine (Dtbp) provided quantitative yield of 3'-O-diisopropylsilanols (eq 2). Hence, silylation of 5'-O-(dimethoxytrityl)thymidine, N6-benzoyl-2'-deoxy-5'-O- (dimethoxytrityl)adenosine, N4-benzoyl-2'-deoxy-5'-O-(dimethoxytrityl) cytidine, and N2-isobutyryl-2'-deoxy-5'-O-(dimethoxytrityl) guanosine gave the desired products 5a–d in excellent yields.
Coupling of products 5a–d with unprotected thymidine resulted in formation of 3',5'-linked dinucleosides 6a–d selectively, and the dimer 7 from reaction with secondary hydroxyl group of thymidine was not observed (eq 3). Subsequent silylation and coupling with another molecule of thymidine gave 3,5- linked trinucleoside 8 in 76% yield (eq 4). A tetrathymidylate oligomer was prepared by 3'-O-silylation of 8 followed by coupling with thymidine. Although no self-condensation was observed, only 30% of the product 9 was obtained after purification by preparative HPLC.

Preparation

conveniently prepared by the slow addition of 2 equiv of trifluoromethanesulfonic acid to a stirring mixture of chlorodiisopropylsilane, followed by direct distillation of the product from the reaction flask to yield the product as a pale yellow oil.

DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE) Preparation Products And Raw materials

Raw materials

Preparation Products

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DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE) Suppliers

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View Lastest Price from DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE) manufacturers

Career Henan Chemical Co

Product: diisopropylbis(trifluoromethanesulfonyl)silane 85272-30-6
Price: US $1.00/KG
Min. Order: 1KG
Purity: Min98%
Supply Ability: g/kg/ton
Release date: 2020-01-08

85272-30-6, DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE)Related Search:

RUETASOLV BP 4201 (DIISOPROPYLBIPHENYL MIXTURE OF ISOMERES) SPECIALITY CHEMICALS Trifluoromethane DIMETHYLBIS(TRIFLUOROMETHYLSULFONYLOXY)SILANE DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE) DI-TERT-BUTYLSILYL BIS(TRIFLUOROMETHANESULFONATE) DIISOPROPYLSILANE

DIISOPROPYLSILYL BIS(TRIFLUOROMETHANESULFONATE)

TRIFLUOROMETHANESULFONIC ACID DIISOPROPYLSILYLENE ESTER

DIISOPROPYLSILYL BIS(TRIFLUOROMETHANE-SU LFONATE), TECH.

diisopropylbis(trifluoromethanesulfonyl)silane

Bis(trifluoromethanesulfonic acid)diisopropylsilanediyl ester

Diisopropylsilylenebis(trifluoromethanesulfonate)

Methanesulfonic acid, trifluoro-, bis(1-methylethyl)silylene ester

Methanesulfonic acid, 1,1,1-trifluoro-, bis(1-methylethyl)[[(trifluoromethyl)sulfonyl]oxy]silyl ester

DK412

Bis(1-methylethyl)[[(trifluoromethyl)sulfonyl]oxy]silyl triflate

85272-30-6

C8H14F6O6S2Si

CF3SO32SiCHCH322

Protection and Derivatization

Protecting and Derivatizing Reagents

Silicon-Based

Synthetic Reagents