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159517-86-9

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159517-86-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159517-86-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,5,1 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 159517-86:
(8*1)+(7*5)+(6*9)+(5*5)+(4*1)+(3*7)+(2*8)+(1*6)=169
169 % 10 = 9
So 159517-86-9 is a valid CAS Registry Number.

159517-86-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name (R)-(+)-4-(2-benzyloxyethyl)-2,2-dimethyl-1,3-dioxolane

1.2 Other means of identification

Product number -
Other names (R)-4-O-benzyl-1,2-O-isopropylidene-butane-1,2,4-triol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:159517-86-9 SDS

159517-86-9Relevant articles and documents

Intramolecular thermal stepwise [2 + 2] cycloadditions: Investigation of a stereoselective synthesis of [n.2.0]-bicyclolactones

Throup, Adam,Patterson, Laurence H.,Sheldrake, Helen M.

supporting information, p. 9554 - 9559 (2016/10/22)

Fused cyclobutanes are found in a range of natural products and formation of these motifs in a straightforward and easy manner represents an interesting synthetic challenge. To this end we investigated an intramolecular variant of the thermal enamine [2 + 2] cyclisation, developing a diastereoselective intramolecular enamine [2 + 2] cyclisation furnishing δ lactone and lactam fused cyclobutenes in good yield and excellent diastereoselectivity.

Rational synthesis of contra-thermodynamic spiroacetals by reductive cyclizations

Takaoka, Leo R.,Buckmelter, Alexandre J.,LaCruz, Thomas E.,Rychnovsky, Scott D.

, p. 528 - 529 (2007/10/03)

A synthesis of spiroacetals was developed using a reductive cyclization strategy that leads stereoselectively to spiroacetals with a single anomeric stabilization. The method begins with the synthesis of spiro ortho esters. The ortho ester is converted to a cyano acetal. Reductive lithiation of the cyano acetal generates an axial dialkoxylithium reagent, and intramolecular cyclization produces a new ring with retention of configuration. The strategy is convergent and produces complex spiro acetals in only a few steps. The method will be useful in the synthesis of natural products and will facilitate the synthesis of previously inaccessible contra-thermodynamic acetals. Copyright

A Difference CD Method for Determining Absolute Stereochemistry of Acyclic 1,2,4-Triols

Mori, Yuji,Furukawa, Hiroshi

, p. 6725 - 6738 (2007/10/02)

A general method based on difference circular dichroic (DIF CD) spectroscopy for assigning the absolute configuration of 1,2,4-triol is presented.Four possible stereoisomers of 6-heptene-1,2,4-triol were prepared and served as models to develop the procedure.The sign of the DIF CD Cotton effect is correlated to the absolute configuration of the C2 position.

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