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7694-30-6

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7694-30-6 Usage

Uses

rel-1,?1''-?(1R,?2S)?-?1,?2-?Cyclobutanediylbis-benzene is an intermediate in synthesizing trans-1,2-Diphenylcyclobutane (D487505). It is a compound being investigated as a potential print-related contaminant in food packaging.

Check Digit Verification of cas no

The CAS Registry Mumber 7694-30-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,9 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7694-30:
(6*7)+(5*6)+(4*9)+(3*4)+(2*3)+(1*0)=126
126 % 10 = 6
So 7694-30-6 is a valid CAS Registry Number.

7694-30-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name CIS-1,2-DIPHENYLCYCLOBUTANE-D5

1.2 Other means of identification

Product number -
Other names (1S,2R)-1,2-Diphenylcyclobutane

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7694-30-6 SDS

7694-30-6Relevant articles and documents

Effect of Reaction Media on Photosensitized [2+2]-Cycloaddition of Cinnamates

Abramov, Alex,Reiser, Oliver,Díaz Díaz, David

, p. 649 - 656 (2020/05/25)

The outcome of photosensitized [2+2]-cycloaddition reactions of various cinnamates has been compared in different reaction media, including homogeneous organic solutions under inert conditions, degassed water, and aerated physical gels. The reactions were performed under LED blue light (λmax=455 nm) irradiation and [Ir{dF(CF3)ppy}2(dtb-bpy)]PF6 (1.0 mol%) as photocatalyst. The processes were optimized taking into consideration solvent, gelator, and substrate. Comparative kinetics analyses, as well as the effect of the reaction media on the diastereoselectivity of the process, were evaluated during this investigation. In a number of cases, carrying out the reaction in a less polar solvent, like toluene or highly polar solvent, like water had a tremendous impact on the diastereoselectivity of the process, pointing towards an effect on the stabilization of the putative diradical intermediate in this medium. Moreover, while for reactions run in homogeneous solution oxygen needs to be excluded, no erosion in yield is observed when the photoadditions were run in aerated gel media.

Photosensitised regioselective [2+2]-cycloaddition of cinnamates and related alkenes

Pagire, Santosh K.,Hossain, Asik,Traub, Lukas,Kerres, Sabine,Reiser, Oliver

supporting information, p. 12072 - 12075 (2017/11/14)

An efficient method for the synthesis of substituted cyclobutanes from cinnamates, chalcones, and styrenes has been developed utilizing a visible-light triplet sensitisation mode. This reaction provides a diverse range of substituted cyclobutanes in high yields under mild conditions without the need of external additives. Good regioselectivity is obtained due to strong π-π-stacking of arene moieties, whereas diastereoselectivity relies on the electronic effects or ortho-substitution of the arene substrate. The utility of this transformation is demonstrated by the formal synthesis of the lignane natural product (±)-Tanegool.

Photochemical Generation of 1,4-Diphenylbutane-1,4-diyl

Kohmoto, Shigeo,Yamada, Kazuhito,Joshi, Umesh,Kawatuji, Teruyuki,Yamamoto, Makoto,Yamada, Kazutoshi

, p. 127 - 129 (2007/10/02)

Photochemical deazetation of 3,6-diphenyl-3,4,5,6-tetrahydropyrazine (1) was re-examined; evidence was obtained for trapping of a diradical intermediate (2) by oxygen when (1) was photolysed in the absence of solvent.

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