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ASYMMETRIC-SYNTHESIS OF 2-ARYL-TETRAHYDROPYRANS VIA ARENE CHROMIUM TRICARBONYL METHODOLOGY .1. CIS-2-ARYL-4-CHLORO-TETRAHYDROPYRANS

Abstract:
Treatment of acetals derived from ortho substituted benzaldehyde chromium tricarbonyl complexes and methanol with homoallylic alcohol and titanium tetrachloride produces the corresponding (RS,RS,SR,RS)-cis-2-aryl-4-chloro-tetrahydropyran complexes completely diastereoselectively. Thus, by this method, homochiral (R)-(-)-o-anisaldehyde chromium tricarbonyl is converted, after decomplexation, to homochiral (R,S)-(+)-cis-2-o-anisyl-4-chloro-tetrahydropyran. © 1991.
Publication status:
Published

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Journal:
TETRAHEDRON-ASYMMETRY
Volume:
2
Issue:
11
Pages:
1085-1088
Publication date:
1991-01-01
DOI:
EISSN:
1362-511X
ISSN:
0957-4166
URN:
uuid:c21685f3-26d3-4960-8300-c9e52dd2e530
Source identifiers:
43770
Local pid:
pubs:43770
Language:
English

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