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78573-23-6

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78573-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78573-23-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,7 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78573-23:
(7*7)+(6*8)+(5*5)+(4*7)+(3*3)+(2*2)+(1*3)=166
166 % 10 = 6
So 78573-23-6 is a valid CAS Registry Number.

78573-23-6Relevant articles and documents

Hydroalkylation of Unactivated Olefins via Visible-Light-Driven Dual Hydrogen Atom Transfer Catalysis

Chang, Rui,Funes-Ardoiz, Ignacio,Lei, Guangyue,Xu, Meichen,Ye, Juntao

supporting information, p. 11251 - 11261 (2021/08/03)

Radical hydroalkylation of olefins enabled by hydrogen atom transfer (HAT) catalysis represents a straightforward means to access C(sp3)-rich molecules from abundant feedstock chemicals without the need for prefunctionalization. While Giese-type hydroalkylation of activated olefins initiated by HAT of hydridic carbon-hydrogen bonds is well-precedented, hydroalkylation of unactivated olefins in a similar fashion remains elusive, primarily owing to a lack of general methods to overcome the inherent polarity-mismatch in this scenario. Here, we report the use of visible-light-driven dual HAT catalysis to achieve this goal, where catalytic amounts of an amine-borane and an in situ generated thiol were utilized as the hydrogen atom abstractor and donor, respectively. The reaction is completely atom-economical and exhibits a broad scope. Experimental and computational studies support the proposed mechanism and suggest that hydrogen-bonding between the amine-borane and substrates is beneficial to improving the reaction efficiency.

Cysteine derivatives as inhibitors for carboxypeptidase A: Synthesis and structure-activity relationships

Park, Jung Dae,Kim, Dong H.

, p. 911 - 918 (2007/10/03)

A series of cysteine (Cys) derivatives having an alkyl or arylalkyl moiety on the α-amino group of the amino acid have been synthesized as a novel type of inhibitor for carboxypeptidase A. These compounds are readily prepared starting with Cys in an optic

beta -thiopropionyl-aminoacid derivatives and their use as beta -lactamase inhibitors

-

, (2008/06/13)

PCT No. PCT/EP97/00516 Sec. 371 Date Jan. 13, 1999 Sec. 102(e) Date Jan. 13, 1999 PCT Filed Feb. 3, 1997 PCT Pub. No. WO97/30027 PCT Pub. Date Aug. 21, 1997A method of treatment of bacterial infections in humans or animals which comprises administering, in combination with a beta -lactam antibiotic, a therapeutically effective amount of an amino acid derivative of Formula (I) or a pharmaceutically acceptable salt, solvate or in vivo hydrolysable ester thereof, wherein: R is hydrogen, a salt forming cation or an in vivo hydrolysable ester-forming group; R1 is hydrogen, (C1-6)alkyl optionally substituted by up to three halogen atoms or by a mercapto, (C1-6)alkoxy, hydroxy, amino, nitro, carboxy, (C1-6)alkylcarbonyloxy, (C1-6)alkoxycarbonyl, formyl or (C1-6)alkylcarbonyl group, (C3-7)cycloalkyl, (C3-7)cycloalkyl(C2-6)alkyl, (C2-6)alkenyl, (C2-6)alkynyl, aryl, aryl(C1-6)alkyl, heterocyclyl or heterocyclyl(C1-6)alkyl; R2 is hydrogen, (C1-6)alkyl or aryl(C1-6)alkyl; R3 is hydrogen, (C1-6)alkyl optionally substituted by up to three halogen atoms, (C3-7)cycloalkyl, fused aryl(C3-7)cycloalkyl, (C3-7)cycloalkyl(C2-6)alkyl, (C2-6)alkenyl, (C2-6)alkynyl, aryl, aryl-(CHR10)m-X-(CHR11)n, heterocyclyl or heterocyclyl-(CHR10)m-X-(CHR11)n, where m is 0 to 3, n is 1 to 3, each R10 and R11 is independently hydrogen or (C1-4)alkyl and X is O, S(O)x where x is 0-2, or a bond; R4 is hydrogen, or an in vivo hydrolysable acyl group; and R5 and R6 are independently hydrogen and (C1-6)alkyl or together represent (CH2)p where p is 2 to 5. Some compounds are claimed per se.

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