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107847-44-9

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107847-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107847-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,8,4 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 107847-44:
(8*1)+(7*0)+(6*7)+(5*8)+(4*4)+(3*7)+(2*4)+(1*4)=139
139 % 10 = 9
So 107847-44-9 is a valid CAS Registry Number.

107847-44-9Downstream Products

107847-44-9Relevant articles and documents

Enantioselective Reductive Homocoupling of Allylic Acetates Enabled by Dual Photoredox/Palladium Catalysis: Access to C2-Symmetrical 1,5-Dienes

Zhang, Hong-Hao,Tang, Menghan,Zhao, Jia-Jia,Song, Changhua,Yu, Shouyun

supporting information, p. 12836 - 12846 (2021/08/30)

Transition-metal-catalyzed reductive coupling reactions have emerged as powerful protocols to construct C-C bonds. However, the development of enantioselective C(sp3)-C(sp3) reductive coupling remains challenging. Herein, we report a highly regio-, diastereo-, and enantioselective reductive homocoupling of allylic acetates through cooperative palladium and photoredox catalysis using diisopropylethylamine or Hantzsch ester as a homogeneous organic reductant. This straightforward protocol enables the stereoselective construction of C(sp3)-C(sp3) bonds under mild reaction conditions. A series of C2-symmetrical chiral 1,5-dienes were easily prepared with excellent enantioselectivities (up to >99% ee), diastereoselectivities (up to >95:5 dr), and regioselectivities (up to >95:5 rr). The resultant chiral 1,5-dienes can be directly used as chiral ligands in asymmetric synthesis, and they can be also transformed into other valuable chiral ligands.

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