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Homophthalic anhydride | CAS Number: 703-59-3

Catalog Number
ACM703593
Product Name
Homophthalic anhydride
Structure
CAS Number
703-59-3
Synonyms
2-CARBOXYPHENYLACETIC ANHYDRIDE;1,3-ISOCHROMANDIONE;HOMOPHTHALIC ACID ANHYDRIDE;HOMOPHTHALIC ANHYDRIDE;1H-2-Benzopyran-1,3(4H)-dione;1H-Isochromene-1,3(4H)-dione;3,4-2H-Isocoumarin-3-one;benzoglutaric anhydride
Molecular Weight
162.14
Molecular Formula
C9H6O3
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1The first catalytic asymmetric cycloadditions of imines with an enolisable anhydride.

Cronin SA1, GutiƩrrez Collar A, Gundala S, Cornaggia C, Torrente E, Manoni F, Botte A, Twamley B, Connon SJ.

Org Biomol Chem. 2016 Aug 7;14(29):6955-9. doi: 10.1039/c6ob00048g. Epub 2016 Jul 6.

The first catalytic, asymmetric reactions of imines with homophthalic anhydride to form disubstituted 3,4-dihydroisoquinolones are reported. The use of N-mesyl aldimines is key, as more basic imines undergo rapid uncatalysed reactions, while imines possessing larger N-sulphonyl substituents form lactams with lower ee.

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Email:
Tel:1-201-478-8534
1-516-662-5404
Fax: 1-516-927-0118
Address: Suite 212, Waverly Plaza, 755 Waverly Avenue, Holtsville, NY 11742, USA