Allyl trans-2-(3-bromo-2-oxopropyl)-3-methoxy-1-piperidinecarboxylate → Allyl trans-2-[3-(6-Chloro-7-methylthioquinazolin-4(3H)-on-3-yl)-2-oxopropyl]-3-methoxy-1-piperidinecarboxylate

Participants

Reaction Steps

In the manner of Example 4, 0.679 g (0.003 mol) of 6-chloro-7-methylthioquinazolin-4(3H)-one and 1.0 g (0.003 mol) of allyl trans-2-(3-bromo-2-oxopropyl)-3-methoxy-1-piperidinecarboxylate were converted into the title compound: yield 0.56 g (39%). 1H--NMR(CDCl3) 1.4-2.2 ppm (multiplet, 4H, OCHCH2CH2CH2N), 2.6 (singlet, 3H, SCH3), 2.8-3.4 (multiplet, 4H, NCH2, COCH2CH), 3.4 (singlet, 3H, OCH3), 4.0 (broad singlet, 1H, CHNCO), 4.6 (doublet, 2H, CH2CH=CH2), 5.0 (singlet, 2H, NCH2CO), 5.0-5.5 (multiplet, 2H, CH=CH2), 5.6-6.1 (octet, 1H, CH2 =CH), 7.4 (singlet, 1H, aromatic H), 7.9 (singlet, 1H, N=CH--N), 8.2 (singlet, 1H, aromatic H).

Provenance & Evidence