+++ 2-е статьи (Спасибо SergSam)

[Redmannn]

Пожалуйста помогите со следующими статьями:

1) ACS
2-Phenylcyclobutanecarboxylic Acid
ALFRED BURGER, ALFRED HOFSTETTER
J. Org. Chem., 1959, 24 (9), pp 1290–1293
DOI:

DOI:

http://dx.doi.org/10.1021/jo01091a034

2)
A one-pot synthesis of 3-arylglutaric anhydrides by reaction of ketene with aromatic aldehydes and ketones
Hirokazu Matsunagaa, Kiyoshi Ikedaa, Ken-ichi Iwamotoa, Yumiko Suzukia and Masayuki Sato
Tetrahedron Letters
Volume 50, Issue 20, 20 May 2009, Pages 2334-2336
doi:

DOI:

http://dx.doi.org/10.1016/j.tetlet.2009.02.193

[SergSam]