Asymmetric photocycloaddition in solution of a chiral crystallized naphthamide

Angewandte Chemie - International Edition

Volumn 44, Issue 34, 2005, Pages 5523-5526

  Sakamoto, Masami ^a   Unosawa, Atsushi ^a   Kobaru, Shuichiro ^a   Saito, Ayako ^a   Mino, Takashi ^a   Fujita, Tsutomu ^a  

^a CHIBA UNIVERSITY   (Japan)

Author keywords

Asymmetric synthesis; Chirality; Cycloaddition; Enantioselectivity; Photochemistry

Indexed keywords

ADDITION REACTIONS; CONFORMATIONS; CRYSTALLIZATION; CRYSTALS; PHOTOCHEMICAL REACTIONS; SYNTHESIS (CHEMICAL);

ASYMMETRIC SYNTHESIS; CHIRALITY; CHOLOROPHENOLS; ENANTIOSELECTIVITY;

ORGANIC COMPOUNDS;

9 ANTHRONITRILE; 9-CYANOANTHRACENE; AMIDE; ANTHRACENE DERIVATIVE; NAPHTHALENE DERIVATIVE; NITRILE;

ARTICLE; CHEMICAL STRUCTURE; CHEMISTRY; CRYSTALLIZATION; CYCLIZATION; PHOTOCHEMISTRY; SOLUTION AND SOLUBILITY; STEREOISOMERISM;

AMIDES; ANTHRACENES; CRYSTALLIZATION; CYCLIZATION; MOLECULAR STRUCTURE; NAPHTHALENES; NITRILES; PHOTOCHEMISTRY; SOLUTIONS; STEREOISOMERISM;

EID: 24644506219     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200501156     Document Type: Article

References (34)

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34. Seeding was carried out as follows: the melted sample of 1a at 120°C was gradually cooled, and a powdered single crystal (about 0.5 mm size) was added at below the melting point of 110-112°C. The presence of the seed crystal induces the same conformation in the subsequent crystallization such that all the crystals in the batch have the same optical rotation.