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1137837-92-3

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1137837-92-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1137837-92-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,7,8,3 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1137837-92:
(9*1)+(8*1)+(7*3)+(6*7)+(5*8)+(4*3)+(3*7)+(2*9)+(1*2)=173
173 % 10 = 3
So 1137837-92-3 is a valid CAS Registry Number.

1137837-92-3Downstream Products

1137837-92-3Relevant articles and documents

Preparation of Boc-protected cinnamyl-type alcohols: A comparison of the Suzuki-Miyaura coupling, cross-metathesis, and Horner-Wadsworth-Emmons approaches and their merit in parallel synthesis

Stambasky, Jan,Malkov, Andrei V.,Kocovsky, Pavel

experimental part, p. 705 - 732 (2009/04/03)

Three synthetic strategies for the construction of tert-butyl (E)-3-arylprop-2-en-1-ol carbonates are described. Complementary approaches employing Suzuki-Miyaura coupling and cross-metathesis reaction gave moderate yields of the title compounds in one-step, both methods are suitable for high-throughput and parallel chemistry. A detailed investigation into the Suzuki-Miyaura coupling reaction is provided along with the studies on the synthesis of pinacolyl 1-(tert-butyloxycarbonyl)propenol-3-ylboronate, the key building block. Conventional synthesis of the title compounds via the Horner-Wadsworth-Emmons reaction as a key step in a three-step-one-purification protocol was optimized and the results are compared with those of the latter reactions.

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