?-Carotene a yellow food-coloring agent and dietary source of vitamin A, can be prepared by a double

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?-Carotene a yellow food-coloring agent and dietary source of vitamin A, can be prepared by a double Witting reaction between 2 equivalents of ?-ionylideneacetaldehyde and a diylide. Show the structure of the ?-carotene product.

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Organic Chemistry

ISBN: 9780495112587

7 Edition

Authors: John McMurry

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Question Posted: Feb 23, 2011 05:52 AM

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?-Carotene a yellow food-coloring agent and dietary source of vitamin A, can be prepared by a double

Question:

CHO (PhlgPCH" CHP(Phi3 A diylide B-Ionylideneacetaldehyde

Step by Step Answer:

H Ph3P CPph 3 Xal...View the full answer

Organic Chemistry

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