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(S)-E-α-phenyldimethylsilyl(d-diisopinocampheyl)-crotylborane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1428744-69-7

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1428744-69-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428744-69-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,7,4 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1428744-69:
(9*1)+(8*4)+(7*2)+(6*8)+(5*7)+(4*4)+(3*4)+(2*6)+(1*9)=187
187 % 10 = 7
So 1428744-69-7 is a valid CAS Registry Number.

1428744-69-7Upstream product

1428744-69-7Relevant academic research and scientific papers

Enantioselective synthesis of (E)-δ-silyl-anti-homoallylic alcohols via an enantiodivergent hydroboration-crotylboration reaction of a racemic allenylsilane

Chen, Ming,Roush, William R.

supporting information, p. 1662 - 1665 (2013/07/05)

The enantioselective hydroboration of racemic allenylsilane (±)-4 with (dIpc)2BH proceeds via enantiodivergent pathways to give vinylborane 11 and crotylborane intermediate (S)-E-5. Subsequent crotylboration of aldehyde substrates with (S)-E-5 at -78 C provides (E)-δ-silyl-anti-homoallylic alcohols in 71-89% yield and with 93-96% ee.

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