5-Methyl-2-trimethylstannanyl-cyclopent-1-enecarboxylic acid methyl ester

C11H20O2Sn

Exact Mass: 304.05
Mol. Wt.: 302.99
m/e: 304.05 (100.0%), 302.05 (74.7%), 300.05 (43.0%), 303.05 (34.4%), 301.05 (28.1%), 308.05 (17.1%), 306.05 (14.0%), 305.05 (12.2%), 296.05 (2.9%), 298.05 (2.8%), 309.05 (2.1%), 307.05 (1.7%), 299.05 (1.4%)

C, 43.61; H, 6.65; O, 10.56; Sn, 39.18

提供第一个原料，参考路线如下：