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74785-32-3

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74785-32-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74785-32-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,8 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74785-32:
(7*7)+(6*4)+(5*7)+(4*8)+(3*5)+(2*3)+(1*2)=163
163 % 10 = 3
So 74785-32-3 is a valid CAS Registry Number.

74785-32-3Relevant articles and documents

Practical Stannylation of Allyl Acetates Catalyzed by Nickel with Bu3SnOMe

Komeyama, Kimihiro,Itai, Yuuhei,Takaki, Ken

supporting information, p. 9130 - 9134 (2016/07/14)

A practical and scalable nickel-catalyzed allylic stannylation of allyl acetates with Bu3SnOMe is described. A variety of acyclic and cyclic allyl acetates, even with base-sensitive moieties, undergoes the stannylation by using NiBr2/4,4′-di-tert-butylbipyridine (dtbpy)/Mn catalyst system to afford highly functionalized allyl stannanes with excellent regioselectivity and yields. Furthermore, the scope of protocol is also extended by the reaction of propargyl acetates, giving rise to propargyl or allenyl stannanes. Additionally, a unique diastereoselectivity using the nickel catalyst different from the palladium was demonstrated for the stannylation of cyclic allyl acetates. In the reaction, inexpensive and stable nickel complexes, abundant reductant (Mn), and atom-economical stannyl source were used.

Extremely Facile and Stereoselective Preparation of Allylstannanes with Use of Ultrasound

Naruta, Yoshinori,Nishigaichi, Yutaka,Maruyama, Kazuhiro

, p. 1857 - 1860 (2007/10/02)

Various allylstannanes are conveniently prepared in quantitative yields by means of ultrasound-promoted Barbier-type reaction from chlorotributylstannane and allyl halides in a stereoselective manner.

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