A high-efficiency preparation, properties and structure of (R,S)- and (S,S)-pyrrolidine-2-carboxylic acid 3,5-dioxa-4-boracyclohepta[2,1-a;3,4- a′]dinaphthalen-4-yl esters

Chinese Journal of Chemistry

Volumn 21, Issue 10, 2003, Pages 1373-1377

  Shan, Zi Xing ^a   Liu, Si Min ^a   Liu, De Jun ^a  

^a WUHAN UNIVERSITY   (China)

Author keywords

Chiral inner borate salt; Crystal structure; Preparation; Property

Indexed keywords

EID: 10844286786     PISSN: 1001604X     EISSN: None     Source Type: Journal    
DOI: 10.1002/cjoc.20030211028     Document Type: Article

References (9)

1. (a) Shan, Z.-X.; Xiong, Y.; Li, W.-Z.; Zhao, D.-J. Tetrahedron: Asymmetry 1998, 9(22), 3985.
2. (b) Shan, Z.-X.; Xiong, Y.; Zhao, D.-J. Tetrahedron 1999, 55, 3893.
3. Liu, D.-J. Ph. D. Dissertation, Wuhan University, Wuhan, 2003 (in Chinese).
4. Shan, Z.-X.; Zhao, D.-J.; Wu, F.-Y.; Zhang, G.-M. Acta Chim. Sinica 1988, 46, 567 (in Chinese). The length maximum of the B-O bonds for 10-bora-9-oxaphenanthrene derivatives of 1,3-diketones (1-ferrocenyl-1,3- butanedione and benzoylacetone) is up to 0.154 nm; that is in good conformity with the value calculated from the covalent radii.
5. (a) Kuskov, V. K.; Zhukova, V. A. Izv. Akad. Nauk SSSR, Otd. Khim. Nauk 1956, 733.
6. (b) Gerrand, W.; Lappert, M. F. J. Chem. Soc. 1951, 2545.
7. (c) Gerrand, W.; Lappert, M. F. Chem. Ind. 1952, 53.
8. (d) Lappert, M. F. J. Chem. Soc. 1953, 667.
9. 2H-Binap represents two protons of binaphthalene ring.