но, HO... Stimate the expected Amax f- H Vitamin D3 CH3 H CH3

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Select the number of each feature present in vitamin D3. Please.
disease called rickets, so many Todas, including milk and cereais, are formed with vitami
D. Our bodies synthesize vitamin D when our skin is exposed to sunlight, but the lack of
outdoor exercise by today's children, in conjunction with regular use of sunscreen, may be
contributing to a rise in the disease. The amount of vitamin D3 in fortified foods and fish
can be measured by UV-Vis spectrometry. (J. Agric. Food Chem. 2009, 57, 2135-2146.),
Using Woodward-Fieser rules, estimate the expected Amax for vitamin D3:"
HO
267
Number of auxoch 272
277
Number of exocyc
Number of homoa
Estimated Amax
Select the number of each feature present in vitamin D3.
Base value (conjugated diene) = 217 nm
Number of additio
bonds:
H
Save for Later
F7
H
Vitamin D3
eTextbook and Media
O
282
287
316
321
PrtScn
F8
onds:
CH3
groups:
es:
✓hm
H CH3
Home
F9
v
✓(+30 each)
(+5 each)
✓(+5 each)
(+39 each)
E
End
hulu
F10
PgUp
F11
12:39 AM
7/13/2023
PgDn
F12
Transcribed Image Text:disease called rickets, so many Todas, including milk and cereais, are formed with vitami D. Our bodies synthesize vitamin D when our skin is exposed to sunlight, but the lack of outdoor exercise by today's children, in conjunction with regular use of sunscreen, may be contributing to a rise in the disease. The amount of vitamin D3 in fortified foods and fish can be measured by UV-Vis spectrometry. (J. Agric. Food Chem. 2009, 57, 2135-2146.), Using Woodward-Fieser rules, estimate the expected Amax for vitamin D3:" HO 267 Number of auxoch 272 277 Number of exocyc Number of homoa Estimated Amax Select the number of each feature present in vitamin D3. Base value (conjugated diene) = 217 nm Number of additio bonds: H Save for Later F7 H Vitamin D3 eTextbook and Media O 282 287 316 321 PrtScn F8 onds: CH3 groups: es: ✓hm H CH3 Home F9 v ✓(+30 each) (+5 each) ✓(+5 each) (+39 each) E End hulu F10 PgUp F11 12:39 AM 7/13/2023 PgDn F12
As seen at the end of Section 16.10, a deficiency in vitamin D can cause a bonesoftening
disease called rickets, so many foods, including milk and cereals, are fortified with vitamin
'D. Our bodies synthesize vitamin D when our skin is exposed to sunlight, but the lack of
outdoor exercise by today's children, in conjunction with regular use of sunscreen, may be
contributing to a rise in the disease. The amount of vitamin D3 in fortified foods and fish
can be measured by UV-Vis spectrometry. (J. Agric. Food Chem. 2009, 57, 2135-2146.)
Using Woodward-Fieser rules, estimate the expected Amax for vitamin D3:
HO...
H
Vitamin D3
Select the number of each feature present in vitamin D3.
Base value (conjugated diene) = 217 nm
Number of additional double bonds:
Number of auxochromic alkyl groups:
Number of exocyclic double bonds:
Number of homoannular dienes:
Estimated Amax =
eTextbook and Media
PrtScn
F8
CH3
✓nm
H CH3
Home
F9
✓(+30 each)
✓(+5 each)
(+5 each)
✓(+39 each)
)
E
End
hulu
F10
PgUp
F11
12:38 AM
7/13/2023
PgDn
Transcribed Image Text:As seen at the end of Section 16.10, a deficiency in vitamin D can cause a bonesoftening disease called rickets, so many foods, including milk and cereals, are fortified with vitamin 'D. Our bodies synthesize vitamin D when our skin is exposed to sunlight, but the lack of outdoor exercise by today's children, in conjunction with regular use of sunscreen, may be contributing to a rise in the disease. The amount of vitamin D3 in fortified foods and fish can be measured by UV-Vis spectrometry. (J. Agric. Food Chem. 2009, 57, 2135-2146.) Using Woodward-Fieser rules, estimate the expected Amax for vitamin D3: HO... H Vitamin D3 Select the number of each feature present in vitamin D3. Base value (conjugated diene) = 217 nm Number of additional double bonds: Number of auxochromic alkyl groups: Number of exocyclic double bonds: Number of homoannular dienes: Estimated Amax = eTextbook and Media PrtScn F8 CH3 ✓nm H CH3 Home F9 ✓(+30 each) ✓(+5 each) (+5 each) ✓(+39 each) ) E End hulu F10 PgUp F11 12:38 AM 7/13/2023 PgDn
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