Method for producing benzaldehyde compound

Details Method for producing benzaldehyde compound Method for producing benzaldehyde compound

2011-08-09

2011-08-09

Witherspoon, Sikarl (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

Reexamination Certificate

active

07994367

ABSTRACT:
A method is provided for producing a benzaldehyde compound represented by the formula (4):wherein Q1and Q2represent an alkyl group etc., n represents 1 or 2, and Ar represents a phenyl group etc., including the steps of reacting a compound represented by the formula (3):wherein X1represents a chlorine atom etc., and Q1, Q2, n and Ar are respectively the same meaning as above, with magnesium metal to obtain a Grignard compound and then reacting the obtained Grignard compound with a formylating agent.

REFERENCES:
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patent: 04029953 (1992-01-01), None
patent: 11279104 (1999-10-01), None
Klis and J. Serwatowski, Halogen-Lithium exchange versus deprotonation: synthesis of diboronic acids derived from aryl-benzyl ethers, Tetrahedron Letters, vol. 48, No. 7, pp. 1169-1173, (2007).
Jikken Kagaku Kouza 15, Yuki Kagobutsu no Gosei III—Aldehyde Ketone, Quinone—, Edited by the Chemical Society of Japan, Maruzen Co., Ltd., 5th Edition pp. 81-84, (2003).

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