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66495-86-1

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66495-86-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66495-86-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,4,9 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 66495-86:
(7*6)+(6*6)+(5*4)+(4*9)+(3*5)+(2*8)+(1*6)=171
171 % 10 = 1
So 66495-86-1 is a valid CAS Registry Number.

66495-86-1Downstream Products

66495-86-1Relevant articles and documents

BF3-catalyzed oxidative tandem annulation-aromatization of naphthols with terminal aryl alkenes

Liu, Long,Sun, Kang,Ji, Xuyu,Dong, Jianyu,Zhou, Yongbo,Yin, Shuang-Feng

, p. 2698 - 2704 (2017/04/07)

A metal-free oxidative arene/alkene annulation-aromatization has been realized, which enables efficient synthesis of 2-arylnaphtho[2,1-b]furans from readily available terminal aryl alkenes and 2-naphthols. Mechanistic study suggests that this reaction proceeds via free-radical initiated tandem cyclization, dehydrogenative rearomatization and aromatization.

Metal-Free Oxidative Annulation of 2-Naphthols with Terminal Alkynes Affording 2-Arylnaphtho[2,1-b]furans

Liu, Long,Ji, Xuyu,Dong, Jianyu,Zhou, Yongbo,Yin, Shuang-Feng

supporting information, p. 3138 - 3141 (2016/07/13)

For the first time, the selective oxidative transformation of 2-naphthols with terminal alkynes is disclosed, which enables the straightforward synthesis of 2-arylnaphtho[2,1-b]furans in satisfactory yields under metal-free conditions. Mechanistic study s

An efficient method to synthesize benzofurans and naphthofurans

Pan, Chongfeng,Yu, Jie,Zhou, Yuqing,Wang, Zhiyong,Zhou, Ming-Ming

, p. 1657 - 1662 (2008/02/04)

A new method for synthesis of benzofurans and naphthofurans from 2-hydroxystilbene derivatives via an intermolecular cyclization is reported in this study with up to 94% isolated yield. Georg Thieme Verlag Stuttgart.

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