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1-[2-((4S,5S)-4,5-Bis-benzyloxymethyl-[1,3]dioxolan-2-ylmethyl)-[1,3]dithian-2-yl]-2-methyl-propan-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143953-19-9

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143953-19-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143953-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,5 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143953-19:
(8*1)+(7*4)+(6*3)+(5*9)+(4*5)+(3*3)+(2*1)+(1*9)=139
139 % 10 = 9
So 143953-19-9 is a valid CAS Registry Number.

143953-19-9Downstream Products

143953-19-9Relevant academic research and scientific papers

Stereochemical Studies of Chiral Nonconjugated Carbanions. Asymmetric Alkylation of Aldehydes with Sulfur-Substituted Carbanions of Chiral α-(1,3-Dithian-2-yl) Acetals

Chikashita, Hidenori,Yuasa, Tsutomu,Itoh, Kazuyoshi

, p. 1457 - 1460 (2007/10/02)

A new type of asymmetric induction based on the nucleophilic addition of sulfur-substituted nonconjugated carbanions produced from a variety of chiral α-(1,3-dithian-2-yl) acetals to achiral aldehydes was studied.The reaction with the carbanion of the chiral acetal derived from (4R,5R)-3,6-diethyl-3,6-dimethoxy-4,5-octanediol showed the best stereoselectivity (ds = 2.4:1-6.3:1) producing a chiral secondary-alcohol center.

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