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4,4,6,16α-Tetramethyl-5-androstenes 1

✍ Scribed by Nakanishi, Susumu

Book ID: 126794973
Publisher: American Chemical Society
Year: 1964
Tongue: English
Weight: 376 KB
Volume: 7
Category: Article
ISSN: 0022-2623
DOI: 10.1021/jm00331a024

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study ( < -30"C)1111. This is best evidenced by the upfield shift of protons H' (by 23Hz) and H5 (by 32Hz) on going from ( 3 ) to ( 5 ) , which simply reflects the increased availability of the lone pair for limited delocalization but is clearly inconsistent with the development of the diamagnetic r