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1312606-88-4

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1312606-88-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1312606-88-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,6,0 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1312606-88:
(9*1)+(8*3)+(7*1)+(6*2)+(5*6)+(4*0)+(3*6)+(2*8)+(1*8)=124
124 % 10 = 4
So 1312606-88-4 is a valid CAS Registry Number.

1312606-88-4Downstream Products

1312606-88-4Relevant articles and documents

Borane-catalyzed C(sp3)-F bond arylation and esterification enabled by transborylation

Willcox, Dominic R.,Nichol, Gary S.,Thomas, Stephen P.

, p. 3190 - 3197 (2021)

The activation and functionalization of carbon- fluorine bonds represent a significant synthetic challenge, given the high thermodynamic barrier to C-F bond cleavage. Stoichiometric hydridoborane-mediated C-F functionalization has recently emerged, but is yet to be rendered catalytic. Herein, the borane-catalyzed coupling of alkyl fluorides with arenes (carbon-carbon bond formation) and carboxylic acids (carbon-oxygen bond formation) has been developed using transborylation reactions to achieve catalytic turnover. Successful C-C and C-O coupling across a variety of structurally and electronically differentiated arenes and carboxylic acids was achieved using 9-borabicyclo[3.3.1]nonane (H-B-9-BBN) as the catalyst and pinacolborane (HBpin), with broad functional group tolerance. Experimental and computational studies suggest a mechanistic dichotomy for the carbon-carbon and carbon-oxygen coupling reactions. B-F transborylation (B-F/B-H metathesis) between F-B-9-BBN and HBpin enabled catalytic turnover for carbon-carbon bond formation, whereas direct exchange between the alkyl fluoride and acyloxyboronic ester (C-F/B-O metathesis) was proposed for carbon-oxygen coupling, where H-B-9-BBN catalyzed the dehydrocoupling of the carboxylic acid with HBpin.

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