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38752-99-7

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38752-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38752-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,7,5 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 38752-99:
(7*3)+(6*8)+(5*7)+(4*5)+(3*2)+(2*9)+(1*9)=157
157 % 10 = 7
So 38752-99-7 is a valid CAS Registry Number.

38752-99-7Downstream Products

38752-99-7Relevant articles and documents

Base-promoted aerobic oxidation of: N -alkyl iminium salts derived from isoquinolines and related heterocycles

Bai, Li-Gang,Zhou, Yue,Zhuang, Xin,Zhang, Liang,Xue, Jian,Lin, Xiao-Long,Cai, Tian,Luo, Qun-Li

, p. 197 - 203 (2020/01/13)

Potassium tert-butoxide-promoted aerobic oxidation of N-alkyl iminium salts is reported. The reaction is atom-economical and environmentally friendly. Iminium salts derived from isoquinoline, quinoline, phenanthridine, phenanthroline, and phthalazine were successfully transformed into their corresponding unsaturated lactams with up to 95% yield under mild conditions in the absence of photocatalysts and metallic or organic catalysts. Owing to the general substrate scope, low cost, feasibility of scale up, wide availability of reagents, and green reaction conditions, this method shows great potential for preparing isoquinolones and related compounds. The method was applied for atom- and step-economical total synthesis of natural products such as norketoyobyrine.

A SIMPLE SYNTHESIS OF YOHIMBAN, ALLOYOHIMBAN, AND ALLOYOHIMBONE BY REDUCTIVE PHOTOCYCLIZATION OF ENAMIDES

Naito, Takeaki,Tada, Yukiko,Nishiguchi, Yoshino,Ninomiya, Ichiya

, p. 213 - 216 (2007/10/02)

A simple synthesis of yohimban (6a) and alloyohimban (6b), and alloyohimbone (10) was achieved by reductive photocyclization of the enamides (1a) and (1b) in the presence of sodium borohydride respectively.

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