Contact us: +91 9550333722 040 - 40102781
Structured search
India
Choose your country
Different countries will display different contents
Try our best to find the right business for you.
My chemicalbook

Welcome back!

HomeProduct name list4-TRIMETHYLSILYL-3-BUTYN-2-OL

4-TRIMETHYLSILYL-3-BUTYN-2-OL

4-TRIMETHYLSILYL-3-BUTYN-2-OL Structural

What is 4-TRIMETHYLSILYL-3-BUTYN-2-OL?

Chemical properties

Colorless liquid

Physical properties

bp 83–85°C (13 mmHg).

The Uses of 4-TRIMETHYLSILYL-3-BUTYN-2-OL

More recently, Mulzer has reported use of the corresponding allenylsilane derived from 4-TMS-3-butyn-2-ol for use in the synthesis of the C13–C18 fragment of branimycin (eq 2).Reactions of 4-TriMethylsilyl-3-butyn-2-ol

Preparation

racemic 4-trimethylsilyl-3-butyn-2-ol can be prepared by deprotonation with strong bases (BuLi, LDA, Grignards reagents) of trimethylsilylacetylene followed by addition to acetaldehyde.Deprotonation of 3-butyn-2- ol followed by quenching with excess trimethylsilyl chloride followed by concomitant hydrolysis of the trimethylsilyl ether is generally the most straightforward route.Enzymatic reduction of 4-TMS-3-butyn-2-one has also been used to prepare the reagent using alcohol dehydrogenase.
Preparation of nonracemic 4-TMS-3-butyn-2-ol has been accomplished by asymmetric addition of dimethylzinc to acetaldehyde promoted by TADDOL or addition of a trimethylsilylvinylsulfoxide to acetaldehyde followed by thermal elimination of the sulfoxide.Asymmetric reduction of 4- TMS-3-butyn-2-one using stoichiometric reducing reagents, catalytic transfer hydrodrogenation,and enzymatic reduction with isolated protein or whole cells afford the 4-TMS-3-butyn- 2-ol with varying degrees of enantioenrichment.Enzymatic resolution by esterification of the racemic alcohol is the method of choice for the large-scale preparation.

Properties of 4-TRIMETHYLSILYL-3-BUTYN-2-OL

Boiling point: 76 °C
Density  0.847 g/mL at 25 °C
refractive index  n 20/D 1.446
Flash point: 143 °F
storage temp.  2-8°C
solubility  highly soluble in all standard organic solvents (hexanes, toluene, CH2Cl2, EtOAc, alcohols, ethers). Partially soluble in water.
form  clear liquid
pka 13.78±0.20(Predicted)
Specific Gravity 0.846
color  Colorless to Light orange to Yellow
Hydrolytic Sensitivity 4: no reaction with water under neutral conditions
BRN  1923632
CAS DataBase Reference 6999-19-5(CAS DataBase Reference)

Safety information for 4-TRIMETHYLSILYL-3-BUTYN-2-OL

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 4-TRIMETHYLSILYL-3-BUTYN-2-OL

Related products of tetrahydrofuran

You may like

  • 4-Trimethylsilyl-3-butyn-2-ol CAS 6999-19-5
    4-Trimethylsilyl-3-butyn-2-ol CAS 6999-19-5
    6999-19-5
    View Details
  • 4-Trimethylsilyl-3-butyn-2-ol CAS 6999-19-5
    4-Trimethylsilyl-3-butyn-2-ol CAS 6999-19-5
    6999-19-5
    View Details
  • 1975-50-4 98%
    1975-50-4 98%
    1975-50-4
    View Details
  • 2-HYDROXY BENZYL ALCOHOL 98%
    2-HYDROXY BENZYL ALCOHOL 98%
    90-01-7
    View Details
  • 2-Chloro-1,3-Bis(Dimethylamino)Trimethinium  Hexafluorophosphate 221615-75-4 98%
    2-Chloro-1,3-Bis(Dimethylamino)Trimethinium Hexafluorophosphate 221615-75-4 98%
    221615-75-4
    View Details
  • 61397-56-6 CIS BROMO BENZOATE 98%
    61397-56-6 CIS BROMO BENZOATE 98%
    61397-56-6
    View Details
  • 14714-50-2 (2-Hydroxyphenyl)acetonitrile 98+
    14714-50-2 (2-Hydroxyphenyl)acetonitrile 98+
    14714-50-2
    View Details
  • 118753-70-1 98+
    118753-70-1 98+
    118753-70-1
    View Details
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.