![(4aR,6S,7R,8R,8aS)-6-Methoxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol,CAS No. 3162-96-7.](https://public.whmall.com/system/0/chemical/image/2007/09/04/1188888888-2204190_C14H18O6.png "(4aR,6S,7R,8R,8aS)-6-Methoxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol,CAS No. 3162-96-7.")
(4aR,6S,7R,8R,8aS)-6-Methoxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol CAS No.3162-96-7 / Cat No.EBD2204190
(4aR,6S,7R,8R,8aS)-6-Methoxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol
methyl 4,6-O-benzylidene-α-D-glucopyranoside
Methyl 4,6-O-benzylidene-alpha-D-glucopyranoside
methyl 4,6-O-(phenylmethylidene)-alpha-D-galactopyranoside
methyl 4,6-O-(phenylmethylidene)-beta-L-mannopyranoside
methyl 4,6-O-(phenylmethylidene)-alpha-L-mannopyranoside
methyl 4,6-O-(phenylmethylidene)-beta-L-glucopyranoside
methyl 4,6-O-(phenylmethylidene)-alpha-L-glucopyranoside
Properties
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Appearance:
White crystalline solid
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Density:
1.36 g/cm3
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Melting point:
164-165 °C(lit.)
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Boiling point:
473 °C at 760 mmHg
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Flashing point:
239.8 °C
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Storage temperature:
2-8°C
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Coefficient of refraction:
105 ° (C=2, MeOH)
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Optical rotation:
[α]19/D +113.1°, c = 1 in chloroform
Safety Information
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Signal words:
None
NMR Spectrum
Prediction： 1H NMR (CDCI3, 250 MHz): delta 2.35 (d, JCH-OH = 9.2 Hz, 1 H,OH), 2.83 (d, JCH-OH = 2.2 Hz, 1 H, OH), 3.46 (s, 3H,-OCH3), 3.43-3.46 (m, 1 H, H-4), 3.63 (td, JCH-OH= J2,3 = 9.2 Hz, J1,2 = 3.9 Hz, 1 H,H-2), 3.70-3.81 (m, 2H, H-5, H-6), 3.93 (td, J = 9.2 Hz, JCH-OH = 2.2 Hz, 1H, H-3), 4.29 (m, 1 H, H-6 ), 4.79 (d, J1,2 = 3.9 Hz, 1 H, H-1 ), 5.54 (s, 1 H, Ph-CH), 7.35-7.38 (m, 3H, HAr), 7.47-7.51 (m, 2H, HAr)
1H NMR
13C NMR
