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Triphenyl-(5-trimethylsilanyl-pent-4-ynyl)-phosphonium; bromide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

121799-15-3

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121799-15-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121799-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,9 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121799-15:
(8*1)+(7*2)+(6*1)+(5*7)+(4*9)+(3*9)+(2*1)+(1*5)=133
133 % 10 = 3
So 121799-15-3 is a valid CAS Registry Number.

121799-15-3Downstream Products

121799-15-3Relevant academic research and scientific papers

SEQUENTIAL CLAISEN-ENE APPROACH TO CARBOCYCLIZATION: A NEW ENTRY TO A STEROID C/D RING SYNTHON

Takahashi, Kazuhiko,Mikami, Koichi,Nakai, Takeshi

, p. 5277 - 5280 (1988)

A new and facile entry to a steroid C/D ring synthon is described which relies on the sequential combination of the Claisen rearrangement with the intramolecular ene reaction involving an acetylenic bond with methoxycarbonyl group as the enophile.

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