had m.p. 102-103"; , , A, 228 and 286 m p (e 12,100 m d 4400); u,,,,(Nujol) (cm.-l) 3425, 1678 (a,p-unsatu-ated aldehyde and cyclopropyl ketone), 1658 (sh), and 1572; T 0.3 (singlet, -CHO); 3.22 (singlet, olefinic H); 5.70 (broad peak, -CH-(OH)); 7.58 (singlet, OH); 7.80 (singlet, C H
